76531660 has 12 divisors (see below), whose sum is σ = 160716528. Its totient is φ = 30612656.

The previous prime is 76531627. The next prime is 76531661. The reversal of 76531660 is 6613567.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (76531661) 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, 1913272 + ... + 1913311.

It is an arithmetic number, because the mean of its divisors is an integer number (13393044).

Almost surely, 2^76531660 is an apocalyptic number.

It is an amenable number.

76531660 is an abundant number, since it is smaller than the sum of its proper divisors (84184868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76531660 is a wasteful number, since it uses less digits than its factorization.

76531660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826592 (or 3826590 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 76531660 is about 8748.2375367842. The cubic root of 76531660 is about 424.5677912898.

The spelling of 76531660 in words is "seventy-six million, five hundred thirty-one thousand, six hundred sixty".