64930641 has 16 divisors (see below), whose sum is σ = 88915968. Its totient is φ = 42126800.

The previous prime is 64930637. The next prime is 64930643. The reversal of 64930641 is 14603946.

It is a cyclic number.

It is not a de Polignac number, because 64930641 - 2² = 64930637 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64930643) 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, 25726 + ... + 28136.

It is an arithmetic number, because the mean of its divisors is an integer number (5557248).

Almost surely, 2^64930641 is an apocalyptic number.

It is an amenable number.

64930641 is a deficient number, since it is larger than the sum of its proper divisors (23985327).

64930641 is a wasteful number, since it uses less digits than its factorization.

64930641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 64930641 is about 8057.9551376264. The cubic root of 64930641 is about 401.9295129007.

The spelling of 64930641 in words is "sixty-four million, nine hundred thirty thousand, six hundred forty-one".