76774491 has 12 divisors (see below), whose sum is σ = 112301280. Its totient is φ = 50534640.

The previous prime is 76774471. The next prime is 76774541. The reversal of 76774491 is 19447767.

It is not a de Polignac number, because 76774491 - 2¹³ = 76766299 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76774441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53280 + ... + 54701.

It is an arithmetic number, because the mean of its divisors is an integer number (9358440).

Almost surely, 2^76774491 is an apocalyptic number.

76774491 is a deficient number, since it is larger than the sum of its proper divisors (35526789).

76774491 is a wasteful number, since it uses less digits than its factorization.

76774491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108066 (or 108063 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 76774491 is about 8762.1053976770. The cubic root of 76774491 is about 425.0163610772.

The spelling of 76774491 in words is "seventy-six million, seven hundred seventy-four thousand, four hundred ninety-one".