76180140 has 72 divisors (see below), whose sum is σ = 241139808. Its totient is φ = 19430400.

The previous prime is 76180127. The next prime is 76180141. The reversal of 76180140 is 4108167.

It is a happy number.

76180140 is a `hidden beast` number, since 7 + 618 + 0 + 1 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (76180141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5061 + ... + 13340.

It is an arithmetic number, because the mean of its divisors is an integer number (3349164).

Almost surely, 2^76180140 is an apocalyptic number.

It is an amenable number.

76180140 is an abundant number, since it is smaller than the sum of its proper divisors (164959668).

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

76180140 is a wasteful number, since it uses less digits than its factorization.

76180140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439 (or 18434 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 76180140 is about 8728.1235096669. The cubic root of 76180140 is about 423.9167615762.

The spelling of 76180140 in words is "seventy-six million, one hundred eighty thousand, one hundred forty".