76748740 has 12 divisors (see below), whose sum is σ = 161172396. Its totient is φ = 30699488.

The previous prime is 76748729. The next prime is 76748741. The reversal of 76748740 is 4784767.

It can be written as a sum of positive squares in 2 ways, for example, as 56821444 + 19927296 = 7538^2 + 4464^2 .

It is not an unprimeable number, because it can be changed into a prime (76748741) 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, 1918699 + ... + 1918738.

It is an arithmetic number, because the mean of its divisors is an integer number (13431033).

Almost surely, 2^76748740 is an apocalyptic number.

It is an amenable number.

76748740 is an abundant number, since it is smaller than the sum of its proper divisors (84423656).

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

76748740 is a wasteful number, since it uses less digits than its factorization.

76748740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837446 (or 3837444 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 76748740 is about 8760.6358216741. The cubic root of 76748740 is about 424.9688373921.

The spelling of 76748740 in words is "seventy-six million, seven hundred forty-eight thousand, seven hundred forty".