74406087913 has 8 divisors (see below), whose sum is σ = 77669804360. Its totient is φ = 71208305280.

The previous prime is 74406087857. The next prime is 74406087919. The reversal of 74406087913 is 31978060447.

It can be written as a sum of positive squares in 4 ways, for example, as 7494884329 + 66911203584 = 86573^2 + 258672^2 .

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 74406087913 - 2³³ = 65816153321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74406087919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16481148 + ... + 16485661.

It is an arithmetic number, because the mean of its divisors is an integer number (9708725545).

Almost surely, 2^74406087913 is an apocalyptic number.

It is an amenable number.

74406087913 is a deficient number, since it is larger than the sum of its proper divisors (3263716447).

74406087913 is a wasteful number, since it uses less digits than its factorization.

74406087913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32966907.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 74406087913 in words is "seventy-four billion, four hundred six million, eighty-seven thousand, nine hundred thirteen".