742816334245 has 16 divisors (see below), whose sum is σ = 946055578608. Its totient is φ = 557968481280.

The previous prime is 742816334233. The next prime is 742816334251. The reversal of 742816334245 is 542433618247.

It can be written as a sum of positive squares in 8 ways, for example, as 451435009 + 742364899236 = 21247^2 + 861606^2 .

It is not a de Polignac number, because 742816334245 - 2³⁵ = 708456595877 is a prime.

It is a super-2 number, since 2×742816334245² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 10343094 + ... + 10414663.

It is an arithmetic number, because the mean of its divisors is an integer number (59128473663).

Almost surely, 2^742816334245 is an apocalyptic number.

It is an amenable number.

742816334245 is a deficient number, since it is larger than the sum of its proper divisors (203239244363).

742816334245 is a wasteful number, since it uses less digits than its factorization.

742816334245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20758200.

The product of its digits is 3870720, while the sum is 49.

The spelling of 742816334245 in words is "seven hundred forty-two billion, eight hundred sixteen million, three hundred thirty-four thousand, two hundred forty-five".