74242356 has 24 divisors (see below), whose sum is σ = 174768384. Its totient is φ = 24528000.

The previous prime is 74242339. The next prime is 74242361. The reversal of 74242356 is 65324247.

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 7 ways as a sum of consecutive naturals, for example, 26020 + ... + 28731.

It is an arithmetic number, because the mean of its divisors is an integer number (7282016).

Almost surely, 2^74242356 is an apocalyptic number.

It is an amenable number.

74242356 is an abundant number, since it is smaller than the sum of its proper divisors (100526028).

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

74242356 is a wasteful number, since it uses less digits than its factorization.

74242356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54871 (or 54869 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 74242356 is about 8616.4004085233. The cubic root of 74242356 is about 420.2914756766.

The spelling of 74242356 in words is "seventy-four million, two hundred forty-two thousand, three hundred fifty-six".