74306564 has 6 divisors (see below), whose sum is σ = 130036494. Its totient is φ = 37153280.

The previous prime is 74306563. The next prime is 74306579. The reversal of 74306564 is 46560347.

It can be written as a sum of positive squares in only one way, i.e., 70425664 + 3880900 = 8392^2 + 1970^2 .

It is not an unprimeable number, because it can be changed into a prime (74306563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9288317 + ... + 9288324.

It is an arithmetic number, because the mean of its divisors is an integer number (21672749).

Almost surely, 2^74306564 is an apocalyptic number.

It is an amenable number.

74306564 is a deficient number, since it is larger than the sum of its proper divisors (55729930).

74306564 is a wasteful number, since it uses less digits than its factorization.

74306564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18576645 (or 18576643 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 74306564 is about 8620.1255211279. The cubic root of 74306564 is about 420.4126028457.

The spelling of 74306564 in words is "seventy-four million, three hundred six thousand, five hundred sixty-four".