74429516 has 24 divisors (see below), whose sum is σ = 151302816. Its totient is φ = 31374720.

The previous prime is 74429507. The next prime is 74429527. The reversal of 74429516 is 61592447.

It is a self number, because there is not a number n which added to its sum of digits gives 74429516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20081 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (6304284).

Almost surely, 2^74429516 is an apocalyptic number.

It is an amenable number.

74429516 is an abundant number, since it is smaller than the sum of its proper divisors (76873300).

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

74429516 is a wasteful number, since it uses less digits than its factorization.

74429516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43649 (or 43647 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 74429516 is about 8627.2542561350. The cubic root of 74429516 is about 420.6443548546.

The spelling of 74429516 in words is "seventy-four million, four hundred twenty-nine thousand, five hundred sixteen".