37506725 has 6 divisors (see below), whose sum is σ = 46508370. Its totient is φ = 30005360.

The previous prime is 37506691. The next prime is 37506737. The reversal of 37506725 is 52760573.

37506725 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 3 ways, for example, as 8755681 + 28751044 = 2959^2 + 5362^2 .

It is not a de Polignac number, because 37506725 - 2⁶ = 37506661 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 750110 + ... + 750159.

It is an arithmetic number, because the mean of its divisors is an integer number (7751395).

Almost surely, 2^37506725 is an apocalyptic number.

It is an amenable number.

37506725 is a deficient number, since it is larger than the sum of its proper divisors (9001645).

37506725 is a wasteful number, since it uses less digits than its factorization.

37506725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500279 (or 1500274 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 37506725 is about 6124.2734262931. The cubic root of 37506725 is about 334.7364824522.

The spelling of 37506725 in words is "thirty-seven million, five hundred six thousand, seven hundred twenty-five".