74699984622959 has 4 divisors (see below), whose sum is σ = 79094101365504. Its totient is φ = 70305867880416.

The previous prime is 74699984622899. The next prime is 74699984622961. The reversal of 74699984622959 is 95922648999647.

It is a happy number.

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 74699984622959 - 2⁴⁰ = 73600472995183 is a prime.

It is a super-2 number, since 2×74699984622959² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74699984627959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197058371247 + ... + 2197058371280.

It is an arithmetic number, because the mean of its divisors is an integer number (19773525341376).

Almost surely, 2^{74699984622959} is an apocalyptic number.

74699984622959 is a deficient number, since it is larger than the sum of its proper divisors (4394116742545).

74699984622959 is a wasteful number, since it uses less digits than its factorization.

74699984622959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394116742544.

The product of its digits is 38093690880, while the sum is 89.

The spelling of 74699984622959 in words is "seventy-four trillion, six hundred ninety-nine billion, nine hundred eighty-four million, six hundred twenty-two thousand, nine hundred fifty-nine".