74820383 has 8 divisors (see below), whose sum is σ = 86423760. Its totient is φ = 64017280.

The previous prime is 74820373. The next prime is 74820397. The reversal of 74820383 is 38302847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74820383 - 2²⁶ = 7711519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74820353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199868 + ... + 200241.

It is an arithmetic number, because the mean of its divisors is an integer number (10802970).

Almost surely, 2^74820383 is an apocalyptic number.

74820383 is a deficient number, since it is larger than the sum of its proper divisors (11603377).

74820383 is a wasteful number, since it uses less digits than its factorization.

74820383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400137.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 74820383 is about 8649.8776291922. The cubic root of 74820383 is about 421.3794083304.

The spelling of 74820383 in words is "seventy-four million, eight hundred twenty thousand, three hundred eighty-three".