73428325 has 12 divisors (see below), whose sum is σ = 91466368. Its totient is φ = 58474800.

The previous prime is 73428283. The next prime is 73428337. The reversal of 73428325 is 52382437.

It is not a de Polignac number, because 73428325 - 2⁷ = 73428197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011 + ... + 12160.

Almost surely, 2^73428325 is an apocalyptic number.

It is an amenable number.

73428325 is a deficient number, since it is larger than the sum of its proper divisors (18038043).

73428325 is a wasteful number, since it uses less digits than its factorization.

73428325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404 (or 13399 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 73428325 is about 8569.0329092611. The cubic root of 73428325 is about 418.7497304520.

The spelling of 73428325 in words is "seventy-three million, four hundred twenty-eight thousand, three hundred twenty-five".