76387760 has 20 divisors (see below), whose sum is σ = 177601728. Its totient is φ = 30555072.

The previous prime is 76387741. The next prime is 76387763. The reversal of 76387760 is 6778367.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76387763) 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, 477344 + ... + 477503.

Almost surely, 2^76387760 is an apocalyptic number.

It is an amenable number.

76387760 is an abundant number, since it is smaller than the sum of its proper divisors (101213968).

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

76387760 is a wasteful number, since it uses less digits than its factorization.

76387760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954860 (or 954854 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 76387760 is about 8740.0091533133. The cubic root of 76387760 is about 424.3015239827.

The spelling of 76387760 in words is "seventy-six million, three hundred eighty-seven thousand, seven hundred sixty".