76061660 has 24 divisors (see below), whose sum is σ = 159958176. Its totient is φ = 30381120.

The previous prime is 76061659. The next prime is 76061681. The reversal of 76061660 is 6616067.

It is a super-2 number, since 2×76061660² = 11570752243911200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14150 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (6664924).

Almost surely, 2^76061660 is an apocalyptic number.

It is an amenable number.

76061660 is an abundant number, since it is smaller than the sum of its proper divisors (83896516).

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

76061660 is a wasteful number, since it uses less digits than its factorization.

76061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453 (or 5451 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 76061660 is about 8721.3336136167. Note that the first 3 decimals coincide. The cubic root of 76061660 is about 423.6968804784.

The spelling of 76061660 in words is "seventy-six million, sixty-one thousand, six hundred sixty".