74383380 has 192 divisors, whose sum is σ = 248209920. Its totient is φ = 18450432.

The previous prime is 74383367. The next prime is 74383391. The reversal of 74383380 is 8338347.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 658204 + ... + 658316.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^74383380 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 74383380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124104960).

74383380 is an abundant number, since it is smaller than the sum of its proper divisors (173826540).

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

74383380 is a wasteful number, since it uses less digits than its factorization.

74383380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 74383380 is about 8624.5799897734. The cubic root of 74383380 is about 420.5574231272.

The spelling of 74383380 in words is "seventy-four million, three hundred eighty-three thousand, three hundred eighty".