74405339 has 4 divisors (see below), whose sum is σ = 75100824. Its totient is φ = 73709856.

The previous prime is 74405291. The next prime is 74405369. The reversal of 74405339 is 93350447.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74405339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74405299 and 74405308.

It is not an unprimeable number, because it can be changed into a prime (74405369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347582 + ... + 347795.

It is an arithmetic number, because the mean of its divisors is an integer number (18775206).

Almost surely, 2^74405339 is an apocalyptic number.

74405339 is a deficient number, since it is larger than the sum of its proper divisors (695485).

74405339 is a wasteful number, since it uses less digits than its factorization.

74405339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695484.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 74405339 is about 8625.8529433326. The cubic root of 74405339 is about 420.5988038399.

The spelling of 74405339 in words is "seventy-four million, four hundred five thousand, three hundred thirty-nine".