74395321 has 24 divisors (see below), whose sum is σ = 100453824. Its totient is φ = 53501760.

The previous prime is 74395301. The next prime is 74395339. The reversal of 74395321 is 12359347.

It is not a de Polignac number, because 74395321 - 2⁷ = 74395193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74395301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10155 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (4185576).

Almost surely, 2^74395321 is an apocalyptic number.

It is an amenable number.

74395321 is a deficient number, since it is larger than the sum of its proper divisors (26058503).

74395321 is a wasteful number, since it uses less digits than its factorization.

74395321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761 (or 5748 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 74395321 is about 8625.2722275880. The cubic root of 74395321 is about 420.5799263956.

The spelling of 74395321 in words is "seventy-four million, three hundred ninety-five thousand, three hundred twenty-one".