37916825 has 12 divisors (see below), whose sum is σ = 47102268. Its totient is φ = 30278400.

The previous prime is 37916821. The next prime is 37916831. The reversal of 37916825 is 52861973.

It can be written as a sum of positive squares in 6 ways, for example, as 5438224 + 32478601 = 2332^2 + 5699^2 .

It is not a de Polignac number, because 37916825 - 2² = 37916821 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37916821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18029 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (3925189).

Almost surely, 2^37916825 is an apocalyptic number.

It is an amenable number.

37916825 is a deficient number, since it is larger than the sum of its proper divisors (9185443).

37916825 is a wasteful number, since it uses less digits than its factorization.

37916825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2759 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 37916825 is about 6157.6639239244. The cubic root of 37916825 is about 335.9520700008.

The spelling of 37916825 in words is "thirty-seven million, nine hundred sixteen thousand, eight hundred twenty-five".