73664275 has 24 divisors (see below), whose sum is σ = 94708224. Its totient is φ = 56800800.

The previous prime is 73664267. The next prime is 73664323. The reversal of 73664275 is 57246637.

It is not a de Polignac number, because 73664275 - 2³ = 73664267 is a prime.

It is a super-2 number, since 2×73664275² = 10852850822551250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82984 + ... + 83866.

It is an arithmetic number, because the mean of its divisors is an integer number (3946176).

Almost surely, 2^73664275 is an apocalyptic number.

73664275 is a deficient number, since it is larger than the sum of its proper divisors (21043949).

73664275 is a wasteful number, since it uses less digits than its factorization.

73664275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1006 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 73664275 is about 8582.7894649700. The cubic root of 73664275 is about 419.1977789729.

The spelling of 73664275 in words is "seventy-three million, six hundred sixty-four thousand, two hundred seventy-five".