64456873 has 8 divisors (see below), whose sum is σ = 73068800. Its totient is φ = 56366928.

The previous prime is 64456867. The next prime is 64456897. The reversal of 64456873 is 37865446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64456873 - 2⁵ = 64456841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64450873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130233 + ... + 130726.

It is an arithmetic number, because the mean of its divisors is an integer number (9133600).

Almost surely, 2^64456873 is an apocalyptic number.

It is an amenable number.

64456873 is a deficient number, since it is larger than the sum of its proper divisors (8611927).

64456873 is a wasteful number, since it uses less digits than its factorization.

64456873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260991.

The product of its digits is 483840, while the sum is 43.

The square root of 64456873 is about 8028.5037833958. The cubic root of 64456873 is about 400.9495627925.

The spelling of 64456873 in words is "sixty-four million, four hundred fifty-six thousand, eight hundred seventy-three".