74239296 has 56 divisors (see below), whose sum is σ = 202777344. Its totient is φ = 23946240.

The previous prime is 74239229. The next prime is 74239313. The reversal of 74239296 is 69293247.

It is a happy number.

It is a super-2 number, since 2×74239296² = 11022946141151232, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 285 + ... + 12188.

It is an arithmetic number, because the mean of its divisors is an integer number (3621024).

Almost surely, 2^74239296 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 74239296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101388672).

74239296 is an abundant number, since it is smaller than the sum of its proper divisors (128538048).

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

74239296 is a wasteful number, since it uses less digits than its factorization.

74239296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12519 (or 12509 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 74239296 is about 8616.2228383440. Note that the first 3 decimals coincide. The cubic root of 74239296 is about 420.2857013017.

The spelling of 74239296 in words is "seventy-four million, two hundred thirty-nine thousand, two hundred ninety-six".