37996690 has 16 divisors (see below), whose sum is σ = 71368128. Its totient is φ = 14537776.

The previous prime is 37996687. The next prime is 37996691. The reversal of 37996690 is 9669973.

It is a super-2 number, since 2×37996690² = 2887496901912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37996691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82372 + ... + 82831.

It is an arithmetic number, because the mean of its divisors is an integer number (4460508).

Almost surely, 2^37996690 is an apocalyptic number.

37996690 is a deficient number, since it is larger than the sum of its proper divisors (33371438).

37996690 is a wasteful number, since it uses less digits than its factorization.

37996690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165233.

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 37996690 is about 6164.1455206703. The cubic root of 37996690 is about 336.1877788714.

The spelling of 37996690 in words is "thirty-seven million, nine hundred ninety-six thousand, six hundred ninety".