76415940 has 48 divisors (see below), whose sum is σ = 237740160. Its totient is φ = 20377440.

The previous prime is 76415909. The next prime is 76415953. The reversal of 76415940 is 4951467.

76415940 is a `hidden beast` number, since 7 + 64 + 1 + 594 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 76415895 and 76415904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70216 + ... + 71295.

It is an arithmetic number, because the mean of its divisors is an integer number (4952920).

Almost surely, 2^76415940 is an apocalyptic number.

It is an amenable number.

76415940 is an abundant number, since it is smaller than the sum of its proper divisors (161324220).

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

76415940 is a wasteful number, since it uses less digits than its factorization.

76415940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141529 (or 141521 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 76415940 is about 8741.6211311175. The cubic root of 76415940 is about 424.3536935402.

The spelling of 76415940 in words is "seventy-six million, four hundred fifteen thousand, nine hundred forty".