73922472 has 48 divisors (see below), whose sum is σ = 215609940. Its totient is φ = 22745088.

The previous prime is 73922441. The next prime is 73922491. The reversal of 73922472 is 27422937.

It can be written as a sum of positive squares in 2 ways, for example, as 71470116 + 2452356 = 8454^2 + 1566^2 .

It is a super-4 number, since 4×73922472⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38553 + ... + 40424.

Almost surely, 2^73922472 is an apocalyptic number.

73922472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73922472 is an abundant number, since it is smaller than the sum of its proper divisors (141687468).

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

73922472 is a wasteful number, since it uses less digits than its factorization.

73922472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79002 (or 78995 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 73922472 is about 8597.8178626905. The cubic root of 73922472 is about 419.6869776495.

The spelling of 73922472 in words is "seventy-three million, nine hundred twenty-two thousand, four hundred seventy-two".