64072670 has 32 divisors (see below), whose sum is σ = 117363168. Its totient is φ = 25182208.

The previous prime is 64072667. The next prime is 64072681. The reversal of 64072670 is 7627046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249182 + ... + 249438.

It is an arithmetic number, because the mean of its divisors is an integer number (3667599).

Almost surely, 2^64072670 is an apocalyptic number.

64072670 is a deficient number, since it is larger than the sum of its proper divisors (53290498).

64072670 is a wasteful number, since it uses less digits than its factorization.

64072670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 64072670 is about 8004.5405864422. The cubic root of 64072670 is about 400.1513385677.

The spelling of 64072670 in words is "sixty-four million, seventy-two thousand, six hundred seventy".