72828472 has 16 divisors (see below), whose sum is σ = 136717560. Its totient is φ = 36370464.

The previous prime is 72828451. The next prime is 72828487. The reversal of 72828472 is 27482827.

It is a congruent number.

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, 2238 + ... + 12274.

Almost surely, 2^72828472 is an apocalyptic number.

It is an amenable number.

72828472 is a deficient number, since it is larger than the sum of its proper divisors (63889088).

72828472 is a wasteful number, since it uses less digits than its factorization.

72828472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10950 (or 10946 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 72828472 is about 8533.9599249118. The cubic root of 72828472 is about 417.6063233336.

The spelling of 72828472 in words is "seventy-two million, eight hundred twenty-eight thousand, four hundred seventy-two".