64769454 has 24 divisors (see below), whose sum is σ = 141649560. Its totient is φ = 21387408.

The previous prime is 64769429. The next prime is 64769477. The reversal of 64769454 is 45496746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14889 + ... + 18740.

It is an arithmetic number, because the mean of its divisors is an integer number (5902065).

Almost surely, 2^64769454 is an apocalyptic number.

64769454 is an abundant number, since it is smaller than the sum of its proper divisors (76880106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64769454 is a wasteful number, since it uses less digits than its factorization.

64769454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33744 (or 33741 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 64769454 is about 8047.9471916757. The cubic root of 64769454 is about 401.5966474789.

The spelling of 64769454 in words is "sixty-four million, seven hundred sixty-nine thousand, four hundred fifty-four".