94721564 has 24 divisors (see below), whose sum is σ = 189651168. Its totient is φ = 40550400.

The previous prime is 94721563. The next prime is 94721579. The reversal of 94721564 is 46512749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94721563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43772 + ... + 45884.

It is an arithmetic number, because the mean of its divisors is an integer number (7902132).

Almost surely, 2^94721564 is an apocalyptic number.

It is an amenable number.

94721564 is an abundant number, since it is smaller than the sum of its proper divisors (94929604).

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

94721564 is a wasteful number, since it uses less digits than its factorization.

94721564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3723 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 94721564 is about 9732.5003981505. The cubic root of 94721564 is about 455.8440461357.

The spelling of 94721564 in words is "ninety-four million, seven hundred twenty-one thousand, five hundred sixty-four".