74804340 has 96 divisors (see below), whose sum is σ = 233412480. Its totient is φ = 17773056.

The previous prime is 74804339. The next prime is 74804383. The reversal of 74804340 is 4340847.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 74804298 and 74804307.

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, 20967 + ... + 24273.

It is an arithmetic number, because the mean of its divisors is an integer number (2431380).

Almost surely, 2^74804340 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 74804340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116706240).

74804340 is an abundant number, since it is smaller than the sum of its proper divisors (158608140).

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

74804340 is a wasteful number, since it uses less digits than its factorization.

74804340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 74804340 is about 8648.9502253164. The cubic root of 74804340 is about 421.3492887614.

The spelling of 74804340 in words is "seventy-four million, eight hundred four thousand, three hundred forty".