64044474 has 32 divisors (see below), whose sum is σ = 146059200. Its totient is φ = 18546432.

The previous prime is 64044469. The next prime is 64044509. The reversal of 64044474 is 47444046.

64044474 = T₁₁₆ + T₁₁₇ + ... + T₇₂₇.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22824 + ... + 25475.

It is an arithmetic number, because the mean of its divisors is an integer number (4564350).

Almost surely, 2^64044474 is an apocalyptic number.

64044474 is an abundant number, since it is smaller than the sum of its proper divisors (82014726).

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

64044474 is a wasteful number, since it uses less digits than its factorization.

64044474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48334.

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 64044474 is about 8002.7791422730. The cubic root of 64044474 is about 400.0926327130.

It can be divided in two parts, 6404 and 4474, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 64044474 in words is "sixty-four million, forty-four thousand, four hundred seventy-four".