74786472 has 96 divisors (see below), whose sum is σ = 211629600. Its totient is φ = 23836032.

The previous prime is 74786449. The next prime is 74786497. The reversal of 74786472 is 27468747.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178279 + ... + 178697.

It is an arithmetic number, because the mean of its divisors is an integer number (2204475).

Almost surely, 2^74786472 is an apocalyptic number.

74786472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74786472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105814800).

74786472 is an abundant number, since it is smaller than the sum of its proper divisors (136843128).

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

74786472 is a wasteful number, since it uses less digits than its factorization.

74786472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 74786472 is about 8647.9172058941. The cubic root of 74786472 is about 421.3157378176.

The spelling of 74786472 in words is "seventy-four million, seven hundred eighty-six thousand, four hundred seventy-two".