73246728 has 16 divisors (see below), whose sum is σ = 183116880. Its totient is φ = 24415568.

The previous prime is 73246709. The next prime is 73246741. The reversal of 73246728 is 82764237.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525950 + ... + 1525997.

It is an arithmetic number, because the mean of its divisors is an integer number (11444805).

Almost surely, 2^73246728 is an apocalyptic number.

It is an amenable number.

73246728 is an abundant number, since it is smaller than the sum of its proper divisors (109870152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73246728 is a wasteful number, since it uses less digits than its factorization.

73246728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051956 (or 3051952 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 73246728 is about 8558.4302298961. The cubic root of 73246728 is about 418.4042394831.

The spelling of 73246728 in words is "seventy-three million, two hundred forty-six thousand, seven hundred twenty-eight".