74505568 has 24 divisors (see below), whose sum is σ = 150649632. Its totient is φ = 36245376.

The previous prime is 74505551. The next prime is 74505589. The reversal of 74505568 is 86550547.

It is a self number, because there is not a number n which added to its sum of digits gives 74505568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30280 + ... + 32647.

It is an arithmetic number, because the mean of its divisors is an integer number (6277068).

Almost surely, 2^74505568 is an apocalyptic number.

It is an amenable number.

74505568 is an abundant number, since it is smaller than the sum of its proper divisors (76144064).

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

74505568 is a wasteful number, since it uses less digits than its factorization.

74505568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62974 (or 62966 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 74505568 is about 8631.6607903694. The cubic root of 74505568 is about 420.7875774017.

The spelling of 74505568 in words is "seventy-four million, five hundred five thousand, five hundred sixty-eight".