72823898 has 24 divisors (see below), whose sum is σ = 131174784. Its totient is φ = 30202200.

The previous prime is 72823873. The next prime is 72823909. The reversal of 72823898 is 89832827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8948 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (5465616).

Almost surely, 2^72823898 is an apocalyptic number.

72823898 is a deficient number, since it is larger than the sum of its proper divisors (58350886).

72823898 is a wasteful number, since it uses less digits than its factorization.

72823898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018 (or 24011 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 72823898 is about 8533.6919325694. The cubic root of 72823898 is about 417.5975805473.

The spelling of 72823898 in words is "seventy-two million, eight hundred twenty-three thousand, eight hundred ninety-eight".