37696720 has 20 divisors (see below), whose sum is σ = 87645060. Its totient is φ = 15078656.

The previous prime is 37696717. The next prime is 37696721. The reversal of 37696720 is 2769673.

37696720 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 8363664 + 29333056 = 2892^2 + 5416^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37696721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 235525 + ... + 235684.

It is an arithmetic number, because the mean of its divisors is an integer number (4382253).

Almost surely, 2^37696720 is an apocalyptic number.

It is an amenable number.

37696720 is an abundant number, since it is smaller than the sum of its proper divisors (49948340).

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

37696720 is a wasteful number, since it uses less digits than its factorization.

37696720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471222 (or 471216 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 37696720 is about 6139.7654678334. The cubic root of 37696720 is about 335.3007472241.

It can be divided in two parts, 37696 and 720, that added together give a 4-th power (38416 = 14⁴).

The spelling of 37696720 in words is "thirty-seven million, six hundred ninety-six thousand, seven hundred twenty".