76730252449993 has 4 divisors (see below), whose sum is σ = 76735532190148. Its totient is φ = 76724972709840.

The previous prime is 76730252449919. The next prime is 76730252450011. The reversal of 76730252449993 is 39994425203767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60852043795984 + 15878208654009 = 7800772^2 + 3984747^2 .

It is a cyclic number.

It is not a de Polignac number, because 76730252449993 - 2¹⁷ = 76730252318921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76730252440993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639848278 + ... + 2639877343.

It is an arithmetic number, because the mean of its divisors is an integer number (19183883047537).

Almost surely, 2^{76730252449993} is an apocalyptic number.

It is an amenable number.

76730252449993 is a deficient number, since it is larger than the sum of its proper divisors (5279740155).

76730252449993 is a wasteful number, since it uses less digits than its factorization.

76730252449993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279740154.

The product of its (nonzero) digits is 617258880, while the sum is 70.

The spelling of 76730252449993 in words is "seventy-six trillion, seven hundred thirty billion, two hundred fifty-two million, four hundred forty-nine thousand, nine hundred ninety-three".