37506222544 has 80 divisors (see below), whose sum is σ = 86705879040. Its totient is φ = 15367144320.

The previous prime is 37506222541. The next prime is 37506222577. The reversal of 37506222544 is 44522260573.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 37506222497 and 37506222506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37506222541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165939 + ... + 9170029.

It is an arithmetic number, because the mean of its divisors is an integer number (1083823488).

Almost surely, 2^37506222544 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 37506222544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43352939520).

37506222544 is an abundant number, since it is smaller than the sum of its proper divisors (49199656496).

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

37506222544 is a wasteful number, since it uses less digits than its factorization.

37506222544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688 (or 7682 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 37506222544 in words is "thirty-seven billion, five hundred six million, two hundred twenty-two thousand, five hundred forty-four".