74469612 has 72 divisors (see below), whose sum is σ = 207128880. Its totient is φ = 20751360.

The previous prime is 74469601. The next prime is 74469631. The reversal of 74469612 is 21696447.

It is a happy number.

It is a super-2 number, since 2×74469612² = 11091446222861088, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 22564 + ... + 25652.

It is an arithmetic number, because the mean of its divisors is an integer number (2876790).

Almost surely, 2^74469612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74469612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103564440).

74469612 is an abundant number, since it is smaller than the sum of its proper divisors (132659268).

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

74469612 is a wasteful number, since it uses less digits than its factorization.

74469612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3142 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 74469612 is about 8629.5777416974. The cubic root of 74469612 is about 420.7198765437.

The spelling of 74469612 in words is "seventy-four million, four hundred sixty-nine thousand, six hundred twelve".