742794666497247 has 64 divisors (see below), whose sum is σ = 1271967083735040. Its totient is φ = 374761650599424.

The previous prime is 742794666497141. The next prime is 742794666497267.

742794666497247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 742794666497247 - 2²³ = 742794658108639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742794666497247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742794666497267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334424029 + ... + 336637817.

It is an arithmetic number, because the mean of its divisors is an integer number (19874485683360).

Almost surely, 2^{742794666497247} is an apocalyptic number.

742794666497247 is a deficient number, since it is larger than the sum of its proper divisors (529172417237793).

742794666497247 is a wasteful number, since it uses less digits than its factorization.

742794666497247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267272.

The product of its digits is 43016085504, while the sum is 84.

The spelling of 742794666497247 in words is "seven hundred forty-two trillion, seven hundred ninety-four billion, six hundred sixty-six million, four hundred ninety-seven thousand, two hundred forty-seven".