72986828 has 12 divisors (see below), whose sum is σ = 134449560. Its totient is φ = 34572672.

The previous prime is 72986827. The next prime is 72986839. The reversal of 72986828 is 82868927.

It is not an unprimeable number, because it can be changed into a prime (72986821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480101 + ... + 480252.

It is an arithmetic number, because the mean of its divisors is an integer number (11204130).

Almost surely, 2^72986828 is an apocalyptic number.

It is an amenable number.

72986828 is a deficient number, since it is larger than the sum of its proper divisors (61462732).

72986828 is a wasteful number, since it uses less digits than its factorization.

72986828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960376 (or 960374 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 72986828 is about 8543.2328775470. The cubic root of 72986828 is about 417.9087810229.

The spelling of 72986828 in words is "seventy-two million, nine hundred eighty-six thousand, eight hundred twenty-eight".