76737764 has 6 divisors (see below), whose sum is σ = 134291094. Its totient is φ = 38368880.

The previous prime is 76737763. The next prime is 76737797. The reversal of 76737764 is 46773767.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 35880100 = 6392^2 + 5990^2 .

It is not an unprimeable number, because it can be changed into a prime (76737763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9592217 + ... + 9592224.

It is an arithmetic number, because the mean of its divisors is an integer number (22381849).

Almost surely, 2^76737764 is an apocalyptic number.

It is an amenable number.

76737764 is a deficient number, since it is larger than the sum of its proper divisors (57553330).

76737764 is a wasteful number, since it uses less digits than its factorization.

76737764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19184445 (or 19184443 counting only the distinct ones).

The product of its digits is 1037232, while the sum is 47.

The square root of 76737764 is about 8760.0093607256. The cubic root of 76737764 is about 424.9485778616.

The spelling of 76737764 in words is "seventy-six million, seven hundred thirty-seven thousand, seven hundred sixty-four".