76731344365407 has 16 divisors (see below), whose sum is σ = 103861518330240. Its totient is φ = 50383226890592.

The previous prime is 76731344365391. The next prime is 76731344365421. The reversal of 76731344365407 is 70456344313767.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 76731344365407 - 2⁴ = 76731344365391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76731344365477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690807057 + ... + 690918122.

It is an arithmetic number, because the mean of its divisors is an integer number (6491344895640).

Almost surely, 2^{76731344365407} is an apocalyptic number.

76731344365407 is a deficient number, since it is larger than the sum of its proper divisors (27130173964833).

76731344365407 is a wasteful number, since it uses less digits than its factorization.

76731344365407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381725462.

The product of its (nonzero) digits is 106686720, while the sum is 60.

The spelling of 76731344365407 in words is "seventy-six trillion, seven hundred thirty-one billion, three hundred forty-four million, three hundred sixty-five thousand, four hundred seven".