37997245 has 32 divisors (see below), whose sum is σ = 56407680. Its totient is φ = 24157440.

The previous prime is 37997243. The next prime is 37997249. The reversal of 37997245 is 54279973.

It is not a de Polignac number, because 37997245 - 2¹ = 37997243 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 37997195 and 37997204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37997243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12187 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (1762740).

Almost surely, 2^37997245 is an apocalyptic number.

It is an amenable number.

37997245 is a deficient number, since it is larger than the sum of its proper divisors (18410435).

37997245 is a wasteful number, since it uses less digits than its factorization.

37997245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

The product of its digits is 476280, while the sum is 46.

The square root of 37997245 is about 6164.1905389110. The cubic root of 37997245 is about 336.1894157096.

The spelling of 37997245 in words is "thirty-seven million, nine hundred ninety-seven thousand, two hundred forty-five".