74729384 has 32 divisors (see below), whose sum is σ = 143208000. Its totient is φ = 36550272.

The previous prime is 74729377. The next prime is 74729387. The reversal of 74729384 is 48392747.

It is not an unprimeable number, because it can be changed into a prime (74729387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72827 + ... + 73845.

It is an arithmetic number, because the mean of its divisors is an integer number (4475250).

Almost surely, 2^74729384 is an apocalyptic number.

It is an amenable number.

74729384 is a deficient number, since it is larger than the sum of its proper divisors (68478616).

74729384 is a wasteful number, since it uses less digits than its factorization.

74729384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1213 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 74729384 is about 8644.6158966145. The cubic root of 74729384 is about 421.2085072146.

The spelling of 74729384 in words is "seventy-four million, seven hundred twenty-nine thousand, three hundred eighty-four".