74821416 has 16 divisors (see below), whose sum is σ = 187053600. Its totient is φ = 24940464.

The previous prime is 74821367. The next prime is 74821447. The reversal of 74821416 is 61412847.

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, 1558756 + ... + 1558803.

It is an arithmetic number, because the mean of its divisors is an integer number (11690850).

Almost surely, 2^74821416 is an apocalyptic number.

It is an amenable number.

74821416 is an abundant number, since it is smaller than the sum of its proper divisors (112232184).

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

74821416 is a wasteful number, since it uses less digits than its factorization.

74821416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117568 (or 3117564 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 74821416 is about 8649.9373408135. The cubic root of 74821416 is about 421.3813475655.

The spelling of 74821416 in words is "seventy-four million, eight hundred twenty-one thousand, four hundred sixteen".