64136970 has 48 divisors (see below), whose sum is σ = 175537440. Its totient is φ = 16202592.

The previous prime is 64136959. The next prime is 64136983. The reversal of 64136970 is 7963146.

64136970 is a `hidden beast` number, since 641 + 3 + 6 + 9 + 7 + 0 = 666.

64136970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64136970² = 8227101841561800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17044 + ... + 20463.

It is an arithmetic number, because the mean of its divisors is an integer number (3657030).

Almost surely, 2^64136970 is an apocalyptic number.

64136970 is an abundant number, since it is smaller than the sum of its proper divisors (111400470).

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

64136970 is a wasteful number, since it uses less digits than its factorization.

64136970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37539 (or 37536 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 64136970 is about 8008.5560496259. The cubic root of 64136970 is about 400.2851508409.

The spelling of 64136970 in words is "sixty-four million, one hundred thirty-six thousand, nine hundred seventy".