74429613 has 12 divisors (see below), whose sum is σ = 108871360. Its totient is φ = 48991176.

The previous prime is 74429599. The next prime is 74429629. The reversal of 74429613 is 31692447.

It is not a de Polignac number, because 74429613 - 2⁵ = 74429581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74429713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51631 + ... + 53052.

Almost surely, 2^74429613 is an apocalyptic number.

It is an amenable number.

74429613 is a deficient number, since it is larger than the sum of its proper divisors (34441747).

74429613 is a wasteful number, since it uses less digits than its factorization.

74429613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104768 (or 104765 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 74429613 is about 8627.2598778523. The cubic root of 74429613 is about 420.6445375890.

The spelling of 74429613 in words is "seventy-four million, four hundred twenty-nine thousand, six hundred thirteen".