74137339 has 4 divisors (see below), whose sum is σ = 74156440. Its totient is φ = 74118240.

The previous prime is 74137321. The next prime is 74137361. The reversal of 74137339 is 93373147.

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 74137339 - 2⁹ = 74136827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74137298 and 74137307.

It is not an unprimeable number, because it can be changed into a prime (74137319) 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, 1422 + ... + 12259.

It is an arithmetic number, because the mean of its divisors is an integer number (18539110).

Almost surely, 2^74137339 is an apocalyptic number.

74137339 is a deficient number, since it is larger than the sum of its proper divisors (19101).

74137339 is a wasteful number, since it uses less digits than its factorization.

74137339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100.

The product of its digits is 47628, while the sum is 37.

The square root of 74137339 is about 8610.3042338816. The cubic root of 74137339 is about 420.0932124936.

The spelling of 74137339 in words is "seventy-four million, one hundred thirty-seven thousand, three hundred thirty-nine".