76740456 has 32 divisors (see below), whose sum is σ = 206609760. Its totient is φ = 23612352.

The previous prime is 76740451. The next prime is 76740463. The reversal of 76740456 is 65404767.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (76740451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122670 + ... + 123293.

It is an arithmetic number, because the mean of its divisors is an integer number (6456555).

Almost surely, 2^76740456 is an apocalyptic number.

It is an amenable number.

76740456 is an abundant number, since it is smaller than the sum of its proper divisors (129869304).

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

76740456 is a wasteful number, since it uses less digits than its factorization.

76740456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245985 (or 245981 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 76740456 is about 8760.1630121819. The cubic root of 76740456 is about 424.9535469413.

The spelling of 76740456 in words is "seventy-six million, seven hundred forty thousand, four hundred fifty-six".