74529913 has 16 divisors (see below), whose sum is σ = 84700800. Its totient is φ = 65197440.

The previous prime is 74529901. The next prime is 74529967. The reversal of 74529913 is 31992547.

It is a cyclic number.

It is not a de Polignac number, because 74529913 - 2⁵ = 74529881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74509913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9733 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (5293800).

Almost surely, 2^74529913 is an apocalyptic number.

It is an amenable number.

74529913 is a deficient number, since it is larger than the sum of its proper divisors (10170887).

74529913 is a wasteful number, since it uses less digits than its factorization.

74529913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952.

The product of its digits is 68040, while the sum is 40.

The square root of 74529913 is about 8633.0708904769. The cubic root of 74529913 is about 420.8334037665.

The spelling of 74529913 in words is "seventy-four million, five hundred twenty-nine thousand, nine hundred thirteen".