37540945 has 16 divisors (see below), whose sum is σ = 50625792. Its totient is φ = 26516160.

The previous prime is 37540931. The next prime is 37540949. The reversal of 37540945 is 54904573.

It is not a de Polignac number, because 37540945 - 2²⁵ = 3986513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37540949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11061 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (3164112).

Almost surely, 2^37540945 is an apocalyptic number.

It is an amenable number.

37540945 is a deficient number, since it is larger than the sum of its proper divisors (13084847).

37540945 is a wasteful number, since it uses less digits than its factorization.

37540945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25152.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 37540945 is about 6127.0665901392. The cubic root of 37540945 is about 334.8382526508.

The spelling of 37540945 in words is "thirty-seven million, five hundred forty thousand, nine hundred forty-five".