64769514 has 16 divisors (see below), whose sum is σ = 129914400. Its totient is φ = 21527280.

The previous prime is 64769491. The next prime is 64769521. The reversal of 64769514 is 41596746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13372 + ... + 17559.

It is an arithmetic number, because the mean of its divisors is an integer number (8119650).

Almost surely, 2^64769514 is an apocalyptic number.

64769514 is an abundant number, since it is smaller than the sum of its proper divisors (65144886).

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

64769514 is a wasteful number, since it uses less digits than its factorization.

64769514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31285.

The product of its digits is 181440, while the sum is 42.

The square root of 64769514 is about 8047.9509193334. The cubic root of 64769514 is about 401.5967714869.

The spelling of 64769514 in words is "sixty-four million, seven hundred sixty-nine thousand, five hundred fourteen".