74001172 has 18 divisors (see below), whose sum is σ = 150645642. Its totient is φ = 31714704.

The previous prime is 74001167. The next prime is 74001199. The reversal of 74001172 is 27110047.

It can be written as a sum of positive squares in only one way, i.e., 44036496 + 29964676 = 6636^2 + 5474^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188583 + ... + 188974.

Almost surely, 2^74001172 is an apocalyptic number.

It is an amenable number.

74001172 is an abundant number, since it is smaller than the sum of its proper divisors (76644470).

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

74001172 is a wasteful number, since it uses less digits than its factorization.

74001172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377575 (or 377566 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 74001172 is about 8602.3933878892. The cubic root of 74001172 is about 419.8358617882.

The spelling of 74001172 in words is "seventy-four million, one thousand, one hundred seventy-two".