742477774247 has 16 divisors (see below), whose sum is σ = 857749658112. Its totient is φ = 635180085120.

The previous prime is 742477774193. The next prime is 742477774397.

742477774247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 742477774247 - 2²⁸ = 742209338791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742477774247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742477774747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971138 + ... + 1558224.

It is an arithmetic number, because the mean of its divisors is an integer number (53609353632).

Almost surely, 2^742477774247 is an apocalyptic number.

742477774247 is a deficient number, since it is larger than the sum of its proper divisors (115271883865).

742477774247 is a wasteful number, since it uses less digits than its factorization.

742477774247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593878.

The product of its digits is 120472576, while the sum is 62.

The spelling of 742477774247 in words is "seven hundred forty-two billion, four hundred seventy-seven million, seven hundred seventy-four thousand, two hundred forty-seven".