74011172 has 6 divisors (see below), whose sum is σ = 129519558. Its totient is φ = 37005584.

The previous prime is 74011141. The next prime is 74011177. The reversal of 74011172 is 27111047.

It can be written as a sum of positive squares in only one way, i.e., 70997476 + 3013696 = 8426^2 + 1736^2 .

It is not an unprimeable number, because it can be changed into a prime (74011177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9251393 + ... + 9251400.

It is an arithmetic number, because the mean of its divisors is an integer number (21586593).

Almost surely, 2^74011172 is an apocalyptic number.

It is an amenable number.

74011172 is a deficient number, since it is larger than the sum of its proper divisors (55508386).

74011172 is a wasteful number, since it uses less digits than its factorization.

74011172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18502797 (or 18502795 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 74011172 is about 8602.9746018456. The cubic root of 74011172 is about 419.8547721622.

The spelling of 74011172 in words is "seventy-four million, eleven thousand, one hundred seventy-two".