76401427610 has 16 divisors (see below), whose sum is σ = 140117336136. Its totient is φ = 29983956288.

The previous prime is 76401427603. The next prime is 76401427621. The reversal of 76401427610 is 1672410467.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49001577769 + 27399849841 = 221363^2 + 165529^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72076289 + ... + 72077348.

Almost surely, 2^76401427610 is an apocalyptic number.

76401427610 is a deficient number, since it is larger than the sum of its proper divisors (63715908526).

76401427610 is a wasteful number, since it uses less digits than its factorization.

76401427610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144153697.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 76401427610 in words is "seventy-six billion, four hundred one million, four hundred twenty-seven thousand, six hundred ten".