73446872 has 8 divisors (see below), whose sum is σ = 137712900. Its totient is φ = 36723432.

The previous prime is 73446871. The next prime is 73446883. The reversal of 73446872 is 27864437.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73446871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4590422 + ... + 4590437.

Almost surely, 2^73446872 is an apocalyptic number.

It is an amenable number.

73446872 is a deficient number, since it is larger than the sum of its proper divisors (64266028).

73446872 is a wasteful number, since it uses less digits than its factorization.

73446872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180865 (or 9180861 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 73446872 is about 8570.1150517365. The cubic root of 73446872 is about 418.7849843201.

The spelling of 73446872 in words is "seventy-three million, four hundred forty-six thousand, eight hundred seventy-two".