74980458 has 64 divisors (see below), whose sum is σ = 191358720. Its totient is φ = 21318336.

The previous prime is 74980439. The next prime is 74980459. The reversal of 74980458 is 85408947.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74980459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110416 + ... + 111092.

It is an arithmetic number, because the mean of its divisors is an integer number (2989980).

Almost surely, 2^74980458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74980458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95679360).

74980458 is an abundant number, since it is smaller than the sum of its proper divisors (116378262).

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

74980458 is a wasteful number, since it uses less digits than its factorization.

74980458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 74980458 is about 8659.1257064440. The cubic root of 74980458 is about 421.6797020000.

The spelling of 74980458 in words is "seventy-four million, nine hundred eighty thousand, four hundred fifty-eight".