76774394 has 8 divisors (see below), whose sum is σ = 115199508. Its totient is φ = 38374560.

The previous prime is 76774387. The next prime is 76774403. The reversal of 76774394 is 49347767.

It can be written as a sum of positive squares in 2 ways, for example, as 74563225 + 2211169 = 8635^2 + 1487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6374 + ... + 13934.

Almost surely, 2^76774394 is an apocalyptic number.

76774394 is a deficient number, since it is larger than the sum of its proper divisors (38425114).

76774394 is a wasteful number, since it uses less digits than its factorization.

76774394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12640.

The product of its digits is 889056, while the sum is 47.

The square root of 76774394 is about 8762.0998624759. The cubic root of 76774394 is about 425.0161820828.

The spelling of 76774394 in words is "seventy-six million, seven hundred seventy-four thousand, three hundred ninety-four".