768091 has 4 divisors (see below), whose sum is σ = 770832. Its totient is φ = 765352.

The previous prime is 768073. The next prime is 768101. The reversal of 768091 is 190867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 768091 - 2⁵ = 768059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895 + ... + 1528.

It is an arithmetic number, because the mean of its divisors is an integer number (192708).

2⁷⁶⁸⁰⁹¹ is an apocalyptic number.

768091 is a deficient number, since it is larger than the sum of its proper divisors (2741).

768091 is a wasteful number, since it uses less digits than its factorization.

768091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 768091 is about 876.4080100045. The cubic root of 768091 is about 91.5807562404.

The spelling of 768091 in words is "seven hundred sixty-eight thousand, ninety-one".