74356872899 has 4 divisors (see below), whose sum is σ = 74413765464. Its totient is φ = 74299980336.

The previous prime is 74356872859. The next prime is 74356872911. The reversal of 74356872899 is 99827865347.

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 74356872899 - 2³² = 70061905603 is a prime.

It is a super-3 number, since 3×74356872899³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74356872859) 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, 28444322 + ... + 28446935.

It is an arithmetic number, because the mean of its divisors is an integer number (18603441366).

Almost surely, 2^74356872899 is an apocalyptic number.

74356872899 is a deficient number, since it is larger than the sum of its proper divisors (56892565).

74356872899 is a wasteful number, since it uses less digits than its factorization.

74356872899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56892564.

The product of its digits is 182891520, while the sum is 68.

The spelling of 74356872899 in words is "seventy-four billion, three hundred fifty-six million, eight hundred seventy-two thousand, eight hundred ninety-nine".