74783142305 has 16 divisors (see below), whose sum is σ = 94585844880. Its totient is φ = 56673646848.

The previous prime is 74783142257. The next prime is 74783142319. The reversal of 74783142305 is 50324138747.

It can be written as a sum of positive squares in 8 ways, for example, as 5807049616 + 68976092689 = 76204^2 + 262633^2 .

It is a cyclic number.

It is not a de Polignac number, because 74783142305 - 2³⁰ = 73709400481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857842 + ... + 4873211.

It is an arithmetic number, because the mean of its divisors is an integer number (5911615305).

Almost surely, 2^74783142305 is an apocalyptic number.

It is an amenable number.

74783142305 is a deficient number, since it is larger than the sum of its proper divisors (19802702575).

74783142305 is a wasteful number, since it uses less digits than its factorization.

74783142305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731140.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 74783142305 in words is "seventy-four billion, seven hundred eighty-three million, one hundred forty-two thousand, three hundred five".