74229656 has 16 divisors (see below), whose sum is σ = 146506200. Its totient is φ = 35161344.

The previous prime is 74229607. The next prime is 74229677. The reversal of 74229656 is 65692247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244025 + ... + 244328.

Almost surely, 2^74229656 is an apocalyptic number.

74229656 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74229656 is a deficient number, since it is larger than the sum of its proper divisors (72276544).

74229656 is a wasteful number, since it uses less digits than its factorization.

74229656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488378 (or 488374 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 74229656 is about 8615.6634103242. The cubic root of 74229656 is about 420.2675090965.

The spelling of 74229656 in words is "seventy-four million, two hundred twenty-nine thousand, six hundred fifty-six".