37897713 has 40 divisors (see below), whose sum is σ = 65514240. Its totient is φ = 21384000.

The previous prime is 37897687. The next prime is 37897733. The reversal of 37897713 is 31779873.

It is not a de Polignac number, because 37897713 - 2⁵ = 37897681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37897733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50088 + ... + 50838.

It is an arithmetic number, because the mean of its divisors is an integer number (1637856).

Almost surely, 2^37897713 is an apocalyptic number.

It is an amenable number.

37897713 is a deficient number, since it is larger than the sum of its proper divisors (27616527).

37897713 is an equidigital number, since it uses as much as digits as its factorization.

37897713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 850 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 37897713 is about 6156.1118410893. Note that the first 3 decimals coincide. The cubic root of 37897713 is about 335.8956148955.

The spelling of 37897713 in words is "thirty-seven million, eight hundred ninety-seven thousand, seven hundred thirteen".