76320766 has 4 divisors (see below), whose sum is σ = 114481152. Its totient is φ = 38160382.

The previous prime is 76320757. The next prime is 76320773. The reversal of 76320766 is 66702367.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66702367 = 41 ⋅1626887.

It is a super-3 number, since 3×76320766³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19080190 + ... + 19080193.

It is an arithmetic number, because the mean of its divisors is an integer number (28620288).

Almost surely, 2^76320766 is an apocalyptic number.

76320766 is a deficient number, since it is larger than the sum of its proper divisors (38160386).

76320766 is a wasteful number, since it uses less digits than its factorization.

76320766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38160385.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 76320766 is about 8736.1757079399. The cubic root of 76320766 is about 424.1774466420.

The spelling of 76320766 in words is "seventy-six million, three hundred twenty thousand, seven hundred sixty-six".