74754120239 has 4 divisors (see below), whose sum is σ = 78688547640. Its totient is φ = 70819692840.

The previous prime is 74754120227. The next prime is 74754120257. The reversal of 74754120239 is 93202145747.

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 74754120239 - 2⁸ = 74754119983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74754120239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74754120299) 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, 1967213672 + ... + 1967213709.

It is an arithmetic number, because the mean of its divisors is an integer number (19672136910).

Almost surely, 2^74754120239 is an apocalyptic number.

74754120239 is a deficient number, since it is larger than the sum of its proper divisors (3934427401).

74754120239 is a wasteful number, since it uses less digits than its factorization.

74754120239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934427400.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 74754120239 in words is "seventy-four billion, seven hundred fifty-four million, one hundred twenty thousand, two hundred thirty-nine".