74087979755 has 8 divisors (see below), whose sum is σ = 89396767824. Its totient is φ = 58942922400.

The previous prime is 74087979751. The next prime is 74087979773. The reversal of 74087979755 is 55797978047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74087979755 - 2² = 74087979751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74087979751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40931681 + ... + 40933490.

It is an arithmetic number, because the mean of its divisors is an integer number (11174595978).

Almost surely, 2^74087979755 is an apocalyptic number.

74087979755 is a deficient number, since it is larger than the sum of its proper divisors (15308788069).

74087979755 is a wasteful number, since it uses less digits than its factorization.

74087979755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81865357.

The product of its (nonzero) digits is 155584800, while the sum is 68.

The spelling of 74087979755 in words is "seventy-four billion, eighty-seven million, nine hundred seventy-nine thousand, seven hundred fifty-five".