37964540 has 12 divisors (see below), whose sum is σ = 79725576. Its totient is φ = 15185808.

The previous prime is 37964533. The next prime is 37964543. The reversal of 37964540 is 4546973.

37964540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 37964494 and 37964503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37964543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949094 + ... + 949133.

It is an arithmetic number, because the mean of its divisors is an integer number (6643798).

Almost surely, 2^37964540 is an apocalyptic number.

It is an amenable number.

37964540 is an abundant number, since it is smaller than the sum of its proper divisors (41761036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37964540 is a wasteful number, since it uses less digits than its factorization.

37964540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898236 (or 1898234 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 37964540 is about 6161.5371458752. The cubic root of 37964540 is about 336.0929330049.

The spelling of 37964540 in words is "thirty-seven million, nine hundred sixty-four thousand, five hundred forty".