37521785252 has 12 divisors (see below), whose sum is σ = 75043570560. Its totient is φ = 16080765096.

The previous prime is 37521785237. The next prime is 37521785267. The reversal of 37521785252 is 25258712573.

It is an interprime number because it is at equal distance from previous prime (37521785237) and next prime (37521785267).

37521785252 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 37521785197 and 37521785206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670031852 + ... + 670031907.

It is an arithmetic number, because the mean of its divisors is an integer number (6253630880).

Almost surely, 2^37521785252 is an apocalyptic number.

It is an amenable number.

37521785252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

37521785252 is a wasteful number, since it uses less digits than its factorization.

37521785252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340063770 (or 1340063768 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The spelling of 37521785252 in words is "thirty-seven billion, five hundred twenty-one million, seven hundred eighty-five thousand, two hundred fifty-two".