74897976305 has 8 divisors (see below), whose sum is σ = 89880888552. Its totient is φ = 59916169728.

The previous prime is 74897976301. The next prime is 74897976313. The reversal of 74897976305 is 50367979847.

It can be written as a sum of positive squares in 4 ways, for example, as 7875497536 + 67022478769 = 88744^2 + 258887^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74897976305 - 2² = 74897976301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74897976301) 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 7 ways as a sum of consecutive naturals, for example, 119264 + ... + 404993.

It is an arithmetic number, because the mean of its divisors is an integer number (11235111069).

Almost surely, 2^74897976305 is an apocalyptic number.

It is an amenable number.

74897976305 is a deficient number, since it is larger than the sum of its proper divisors (14982912247).

74897976305 is a wasteful number, since it uses less digits than its factorization.

74897976305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552835.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 74897976305 in words is "seventy-four billion, eight hundred ninety-seven million, nine hundred seventy-six thousand, three hundred five".