74392099 has 4 divisors (see below), whose sum is σ = 74515264. Its totient is φ = 74268936.

The previous prime is 74392093. The next prime is 74392103. The reversal of 74392099 is 99029347.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74392099 - 2³ = 74392091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74392091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60672 + ... + 61885.

It is an arithmetic number, because the mean of its divisors is an integer number (18628816).

Almost surely, 2^74392099 is an apocalyptic number.

74392099 is a deficient number, since it is larger than the sum of its proper divisors (123165).

74392099 is a wasteful number, since it uses less digits than its factorization.

74392099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123164.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 74392099 is about 8625.0854488521. The cubic root of 74392099 is about 420.5738546513.

The spelling of 74392099 in words is "seventy-four million, three hundred ninety-two thousand, ninety-nine".