76744768 has 14 divisors (see below), whose sum is σ = 152290526. Its totient is φ = 38372352.

The previous prime is 76744739. The next prime is 76744769. The reversal of 76744768 is 86744767.

It can be written as a sum of positive squares in only one way, i.e., 64128064 + 12616704 = 8008^2 + 3552^2 .

It is not an unprimeable number, because it can be changed into a prime (76744769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599505 + ... + 599632.

Almost surely, 2^76744768 is an apocalyptic number.

It is an amenable number.

76744768 is a deficient number, since it is larger than the sum of its proper divisors (75545758).

76744768 is a wasteful number, since it uses less digits than its factorization.

76744768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199149 (or 1199139 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The square root of 76744768 is about 8760.4091228664. The cubic root of 76744768 is about 424.9615060868.

Subtracting 76744768 from its reverse (86744767), we obtain a palindrome (9999999).

The spelling of 76744768 in words is "seventy-six million, seven hundred forty-four thousand, seven hundred sixty-eight".