37396665 has 12 divisors (see below), whose sum is σ = 64820964. Its totient is φ = 19944864.

The previous prime is 37396637. The next prime is 37396679. The reversal of 37396665 is 56669373.

It can be written as a sum of positive squares in 2 ways, for example, as 26347689 + 11048976 = 5133^2 + 3324^2 .

It is not a de Polignac number, because 37396665 - 2⁸ = 37396409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 831037 = 37396665 / (3 + 7 + 3 + 9 + 6 + 6 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 37396665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415474 + ... + 415563.

It is an arithmetic number, because the mean of its divisors is an integer number (5401747).

Almost surely, 2^37396665 is an apocalyptic number.

It is an amenable number.

37396665 is a deficient number, since it is larger than the sum of its proper divisors (27424299).

37396665 is a wasteful number, since it uses less digits than its factorization.

37396665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831048 (or 831045 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 37396665 is about 6115.2812690832. The cubic root of 37396665 is about 334.4087439670.

It can be divided in two parts, 3739 and 6665, that added together give a square (10404 = 102²).

The spelling of 37396665 in words is "thirty-seven million, three hundred ninety-six thousand, six hundred sixty-five".