37480644 has 60 divisors (see below), whose sum is σ = 101385900. Its totient is φ = 12059712.

The previous prime is 37480637. The next prime is 37480679. The reversal of 37480644 is 44608473.

37480644 is a `hidden beast` number, since 3 + 7 + 4 + 8 + 0 + 644 = 666.

37480644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18662400 + 18818244 = 4320^2 + 4338^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 37480599 and 37480608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7402 + ... + 11390.

It is an arithmetic number, because the mean of its divisors is an integer number (1689765).

Almost surely, 2^37480644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37480644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50692950).

37480644 is an abundant number, since it is smaller than the sum of its proper divisors (63905256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37480644 is a wasteful number, since it uses less digits than its factorization.

37480644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 37480644 is about 6122.1437421870. The cubic root of 37480644 is about 334.6588760446.

It can be divided in two parts, 374 and 80644, that added together give a palindrome (81018).

The spelling of 37480644 in words is "thirty-seven million, four hundred eighty thousand, six hundred forty-four".