76409481733 has 4 divisors (see below), whose sum is σ = 82287134188. Its totient is φ = 70531829280.

The previous prime is 76409481703. The next prime is 76409481737. The reversal of 76409481733 is 33718490467.

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 39858924609 + 36550557124 = 199647^2 + 191182^2 .

It is a cyclic number.

It is not a de Polignac number, because 76409481733 - 2²⁵ = 76375927301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76409481737) 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, 2938826208 + ... + 2938826233.

It is an arithmetic number, because the mean of its divisors is an integer number (20571783547).

Almost surely, 2^76409481733 is an apocalyptic number.

It is an amenable number.

76409481733 is a deficient number, since it is larger than the sum of its proper divisors (5877652455).

76409481733 is a wasteful number, since it uses less digits than its factorization.

76409481733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877652454.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 76409481733 in words is "seventy-six billion, four hundred nine million, four hundred eighty-one thousand, seven hundred thirty-three".