74909068 has 24 divisors (see below), whose sum is σ = 147315168. Its totient is φ = 33069696.

The previous prime is 74909063. The next prime is 74909083. The reversal of 74909068 is 86090947.

It is a super-2 number, since 2×74909068² = 11222736937257248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74909063) 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, 30121 + ... + 32512.

It is an arithmetic number, because the mean of its divisors is an integer number (6138132).

Almost surely, 2^74909068 is an apocalyptic number.

It is an amenable number.

74909068 is a deficient number, since it is larger than the sum of its proper divisors (72406100).

74909068 is a wasteful number, since it uses less digits than its factorization.

74909068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62673 (or 62671 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 74909068 is about 8655.0024841129. The cubic root of 74909068 is about 421.5458303493.

Subtracting from 74909068 its sum of digits (43), we obtain a square (74909025 = 8655²).

The spelling of 74909068 in words is "seventy-four million, nine hundred nine thousand, sixty-eight".