74479344 has 40 divisors (see below), whose sum is σ = 195285120. Its totient is φ = 24454848.

The previous prime is 74479291. The next prime is 74479351. The reversal of 74479344 is 44397447.

It is a junction number, because it is equal to n+sod(n) for n = 74479296 and 74479305.

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, 8364 + ... + 14795.

It is an arithmetic number, because the mean of its divisors is an integer number (4882128).

Almost surely, 2^74479344 is an apocalyptic number.

It is an amenable number.

74479344 is an abundant number, since it is smaller than the sum of its proper divisors (120805776).

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

74479344 is a wasteful number, since it uses less digits than its factorization.

74479344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23237 (or 23231 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 74479344 is about 8630.1415979114. The cubic root of 74479344 is about 420.7382028891.

The spelling of 74479344 in words is "seventy-four million, four hundred seventy-nine thousand, three hundred forty-four".