73792872 has 24 divisors (see below), whose sum is σ = 199855890. Its totient is φ = 24597600.

The previous prime is 73792841. The next prime is 73792879. The reversal of 73792872 is 27829737.

It can be written as a sum of positive squares in only one way, i.e., 69655716 + 4137156 = 8346^2 + 2034^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (73792879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512379 + ... + 512522.

Almost surely, 2^73792872 is an apocalyptic number.

73792872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73792872 is an abundant number, since it is smaller than the sum of its proper divisors (126063018).

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

73792872 is a wasteful number, since it uses less digits than its factorization.

73792872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024913 (or 1024906 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 73792872 is about 8590.2777603521. The cubic root of 73792872 is about 419.4415707704.

The spelling of 73792872 in words is "seventy-three million, seven hundred ninety-two thousand, eight hundred seventy-two".