76744994 has 4 divisors (see below), whose sum is σ = 115117494. Its totient is φ = 38372496.

The previous prime is 76744979. The next prime is 76745027. The reversal of 76744994 is 49944767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49944767 = 227 ⋅220021.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 619369 = 8725^2 + 787^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19186247 + ... + 19186250.

Almost surely, 2^76744994 is an apocalyptic number.

76744994 is a deficient number, since it is larger than the sum of its proper divisors (38372500).

76744994 is a wasteful number, since it uses less digits than its factorization.

76744994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38372499.

The product of its digits is 1524096, while the sum is 50.

The square root of 76744994 is about 8760.4220217978. The cubic root of 76744994 is about 424.9619232323.

The spelling of 76744994 in words is "seventy-six million, seven hundred forty-four thousand, nine hundred ninety-four".