74472380 has 24 divisors (see below), whose sum is σ = 156573648. Its totient is φ = 29754368.

The previous prime is 74472373. The next prime is 74472383. The reversal of 74472380 is 8327447.

It is a super-2 number, since 2×74472380² = 11092270765728800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74472380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74472383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22172 + ... + 25308.

It is an arithmetic number, because the mean of its divisors is an integer number (6523902).

Almost surely, 2^74472380 is an apocalyptic number.

It is an amenable number.

74472380 is an abundant number, since it is smaller than the sum of its proper divisors (82101268).

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

74472380 is a wasteful number, since it uses less digits than its factorization.

74472380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 74472380 is about 8629.7381188539. The cubic root of 74472380 is about 420.7250891316.

The spelling of 74472380 in words is "seventy-four million, four hundred seventy-two thousand, three hundred eighty".