73813564 has 24 divisors (see below), whose sum is σ = 141745968. Its totient is φ = 33354240.

The previous prime is 73813549. The next prime is 73813583. The reversal of 73813564 is 46531837.

It is a congruent number.

It is an unprimeable number.

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, 2764 + ... + 12460.

It is an arithmetic number, because the mean of its divisors is an integer number (5906082).

Almost surely, 2^73813564 is an apocalyptic number.

It is an amenable number.

73813564 is a deficient number, since it is larger than the sum of its proper divisors (67932404).

73813564 is a wasteful number, since it uses less digits than its factorization.

73813564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885 (or 9883 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 73813564 is about 8591.4820607390. The cubic root of 73813564 is about 419.4807718190.

The spelling of 73813564 in words is "seventy-three million, eight hundred thirteen thousand, five hundred sixty-four".