72823328 has 24 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 36328000.

The previous prime is 72823327. The next prime is 72823337. The reversal of 72823328 is 82332827.

It is not an unprimeable number, because it can be changed into a prime (72823327) 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, 12953 + ... + 17703.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^72823328 is an apocalyptic number.

It is an amenable number.

72823328 is a deficient number, since it is larger than the sum of its proper divisors (70877152).

72823328 is a wasteful number, since it uses less digits than its factorization.

72823328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240 (or 5232 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 72823328 is about 8533.6585354700. The cubic root of 72823328 is about 417.5964910183.

The spelling of 72823328 in words is "seventy-two million, eight hundred twenty-three thousand, three hundred twenty-eight".