64757464 has 16 divisors (see below), whose sum is σ = 125607600. Its totient is φ = 31262112.

The previous prime is 64757461. The next prime is 64757477. The reversal of 64757464 is 46475746.

It is a super-2 number, since 2×64757464² = 8387058287422592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64757464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64757461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139332 + ... + 139795.

It is an arithmetic number, because the mean of its divisors is an integer number (7850475).

Almost surely, 2^64757464 is an apocalyptic number.

It is an amenable number.

64757464 is a deficient number, since it is larger than the sum of its proper divisors (60850136).

64757464 is a wasteful number, since it uses less digits than its factorization.

64757464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279162 (or 279158 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 64757464 is about 8047.2022467439. The cubic root of 64757464 is about 401.5718650099.

The spelling of 64757464 in words is "sixty-four million, seven hundred fifty-seven thousand, four hundred sixty-four".