64374530 has 32 divisors (see below), whose sum is σ = 126748800. Its totient is φ = 23345920.

The previous prime is 64374509. The next prime is 64374533. The reversal of 64374530 is 3547346.

It is a super-2 number, since 2×64374530² = 8288160225441800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64374533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65402 + ... + 66378.

It is an arithmetic number, because the mean of its divisors is an integer number (3960900).

Almost surely, 2^64374530 is an apocalyptic number.

64374530 is a deficient number, since it is larger than the sum of its proper divisors (62374270).

64374530 is a wasteful number, since it uses less digits than its factorization.

64374530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 64374530 is about 8023.3739785704. The cubic root of 64374530 is about 400.7787537061.

The spelling of 64374530 in words is "sixty-four million, three hundred seventy-four thousand, five hundred thirty".