64264457 has 8 divisors (see below), whose sum is σ = 67329792. Its totient is φ = 61261200.

The previous prime is 64264423. The next prime is 64264531. The reversal of 64264457 is 75446246.

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 64264457 - 2⁸ = 64264201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64264457.

It is not an unprimeable number, because it can be changed into a prime (64264357) 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, 13394 + ... + 17547.

It is an arithmetic number, because the mean of its divisors is an integer number (8416224).

Almost surely, 2^64264457 is an apocalyptic number.

64264457 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

64264457 is a deficient number, since it is larger than the sum of its proper divisors (3065335).

64264457 is a wasteful number, since it uses less digits than its factorization.

64264457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31039.

The product of its digits is 161280, while the sum is 38.

The square root of 64264457 is about 8016.5115231003. The cubic root of 64264457 is about 400.5501949501.

The spelling of 64264457 in words is "sixty-four million, two hundred sixty-four thousand, four hundred fifty-seven".