457638764 has 12 divisors (see below), whose sum is σ = 873674088. Its totient is φ = 208017600.

The previous prime is 457638721. The next prime is 457638787. The reversal of 457638764 is 467836754.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5200397 + ... + 5200484.

It is an arithmetic number, because the mean of its divisors is an integer number (72806174).

Almost surely, 2^457638764 is an apocalyptic number.

457638764 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

457638764 is a deficient number, since it is larger than the sum of its proper divisors (416035324).

457638764 is a wasteful number, since it uses less digits than its factorization.

457638764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400896 (or 10400894 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The square root of 457638764 is about 21392.4931693340. The cubic root of 457638764 is about 770.6211685197.

The spelling of 457638764 in words is "four hundred fifty-seven million, six hundred thirty-eight thousand, seven hundred sixty-four".