74824980 has 96 divisors (see below), whose sum is σ = 222566400. Its totient is φ = 18741888.

The previous prime is 74824949. The next prime is 74824991. The reversal of 74824980 is 8942847.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80961 + ... + 81879.

It is an arithmetic number, because the mean of its divisors is an integer number (2318400).

Almost surely, 2^74824980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74824980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111283200).

74824980 is an abundant number, since it is smaller than the sum of its proper divisors (147741420).

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

74824980 is a wasteful number, since it uses less digits than its factorization.

74824980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 74824980 is about 8650.1433514133. The cubic root of 74824980 is about 421.3880380709.

The spelling of 74824980 in words is "seventy-four million, eight hundred twenty-four thousand, nine hundred eighty".