74631263605 has 16 divisors (see below), whose sum is σ = 90145211760. Its totient is φ = 59314065408.

The previous prime is 74631263591. The next prime is 74631263611. The reversal of 74631263605 is 50636213647.

It can be written as a sum of positive squares in 8 ways, for example, as 3000629284 + 71630634321 = 54778^2 + 267639^2 .

It is a cyclic number.

It is not a de Polignac number, because 74631263605 - 2⁷ = 74631263477 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 654591 + ... + 760099.

It is an arithmetic number, because the mean of its divisors is an integer number (5634075735).

Almost surely, 2^74631263605 is an apocalyptic number.

It is an amenable number.

74631263605 is a deficient number, since it is larger than the sum of its proper divisors (15513948155).

74631263605 is a wasteful number, since it uses less digits than its factorization.

74631263605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106440.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 74631263605 in words is "seventy-four billion, six hundred thirty-one million, two hundred sixty-three thousand, six hundred five".