76680768 has 28 divisors (see below), whose sum is σ = 202885040. Its totient is φ = 25560192.

The previous prime is 76680767. The next prime is 76680787. The reversal of 76680768 is 86708667.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (76680767) 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, 199498 + ... + 199881.

Almost surely, 2^76680768 is an apocalyptic number.

It is an amenable number.

76680768 is an abundant number, since it is smaller than the sum of its proper divisors (126204272).

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

76680768 is a wasteful number, since it uses less digits than its factorization.

76680768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399394 (or 399384 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 76680768 is about 8756.7555635635. The cubic root of 76680768 is about 424.8433434163.

The spelling of 76680768 in words is "seventy-six million, six hundred eighty thousand, seven hundred sixty-eight".