73664575 has 24 divisors (see below), whose sum is σ = 93494016. Its totient is φ = 57564000.

The previous prime is 73664567. The next prime is 73664597. The reversal of 73664575 is 57546637.

It is not a de Polignac number, because 73664575 - 2³ = 73664567 is a prime.

It is a Duffinian number.

Its product of digits (529200) is a multiple of the sum of its prime divisors (490).

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 271690 + ... + 271960.

It is an arithmetic number, because the mean of its divisors is an integer number (3895584).

Almost surely, 2^73664575 is an apocalyptic number.

73664575 is a deficient number, since it is larger than the sum of its proper divisors (19829441).

73664575 is a wasteful number, since it uses less digits than its factorization.

73664575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 490 counting only the distinct ones).

The product of its digits is 529200, while the sum is 43.

The square root of 73664575 is about 8582.8069417878. The cubic root of 73664575 is about 419.1983480374.

The spelling of 73664575 in words is "seventy-three million, six hundred sixty-four thousand, five hundred seventy-five".