74798472 has 32 divisors (see below), whose sum is σ = 213710400. Its totient is φ = 21370944.

The previous prime is 74798441. The next prime is 74798483. The reversal of 74798472 is 27489747.

It is a super-2 number, since 2×74798472² = 11189622827069568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222447 + ... + 222782.

It is an arithmetic number, because the mean of its divisors is an integer number (6678450).

Almost surely, 2^74798472 is an apocalyptic number.

It is an amenable number.

74798472 is an abundant number, since it is smaller than the sum of its proper divisors (138911928).

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

74798472 is a wasteful number, since it uses less digits than its factorization.

74798472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445245 (or 445241 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 74798472 is about 8648.6109867423. The cubic root of 74798472 is about 421.3382709413.

It can be divided in two parts, 7479 and 8472, that added together give a palindrome (15951).

The spelling of 74798472 in words is "seventy-four million, seven hundred ninety-eight thousand, four hundred seventy-two".