74820798 has 24 divisors (see below), whose sum is σ = 174582408. Its totient is φ = 23021712.

The previous prime is 74820793. The next prime is 74820799. The reversal of 74820798 is 89702847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74820793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159640 + ... + 160107.

It is an arithmetic number, because the mean of its divisors is an integer number (7274267).

Almost surely, 2^74820798 is an apocalyptic number.

74820798 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

74820798 is an abundant number, since it is smaller than the sum of its proper divisors (99761610).

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

74820798 is a wasteful number, since it uses less digits than its factorization.

74820798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319768 (or 319765 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 74820798 is about 8649.9016179376. The cubic root of 74820798 is about 421.3801874057.

The spelling of 74820798 in words is "seventy-four million, eight hundred twenty thousand, seven hundred ninety-eight".