74318328 has 48 divisors (see below), whose sum is σ = 230034480. Its totient is φ = 21233664.

The previous prime is 74318323. The next prime is 74318333. The reversal of 74318328 is 82381347.

It is an interprime number because it is at equal distance from previous prime (74318323) and next prime (74318333).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 74318292 and 74318301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74318323) 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, 73225 + ... + 74232.

It is an arithmetic number, because the mean of its divisors is an integer number (4792385).

Almost surely, 2^74318328 is an apocalyptic number.

It is an amenable number.

74318328 is an abundant number, since it is smaller than the sum of its proper divisors (155716152).

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

74318328 is a wasteful number, since it uses less digits than its factorization.

74318328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147476 (or 147469 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 74318328 is about 8620.8078507759. The cubic root of 74318328 is about 420.4347878436.

The spelling of 74318328 in words is "seventy-four million, three hundred eighteen thousand, three hundred twenty-eight".