37725720 has 64 divisors (see below), whose sum is σ = 119841120. Its totient is φ = 9467904.

The previous prime is 37725713. The next prime is 37725763. The reversal of 37725720 is 2752773.

37725720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 7207 + ... + 11286.

Almost surely, 2^37725720 is an apocalyptic number.

37725720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37725720 is an abundant number, since it is smaller than the sum of its proper divisors (82115400).

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

37725720 is a wasteful number, since it uses less digits than its factorization.

37725720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18524 (or 18520 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 37725720 is about 6142.1266675314. The cubic root of 37725720 is about 335.3867072161.

The spelling of 37725720 in words is "thirty-seven million, seven hundred twenty-five thousand, seven hundred twenty".