74622072 has 32 divisors (see below), whose sum is σ = 213206400. Its totient is φ = 21320544.

The previous prime is 74622043. The next prime is 74622073. The reversal of 74622072 is 27022647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74622073) 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, 221922 + ... + 222257.

It is an arithmetic number, because the mean of its divisors is an integer number (6662700).

Almost surely, 2^74622072 is an apocalyptic number.

It is an amenable number.

74622072 is an abundant number, since it is smaller than the sum of its proper divisors (138584328).

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

74622072 is a wasteful number, since it uses less digits than its factorization.

74622072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444195 (or 444191 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 74622072 is about 8638.4067975524. The cubic root of 74622072 is about 421.0067910204.

The spelling of 74622072 in words is "seventy-four million, six hundred twenty-two thousand, seventy-two".