768137 has 4 divisors (see below), whose sum is σ = 773376. Its totient is φ = 762900.

The previous prime is 768133. The next prime is 768139. The reversal of 768137 is 731867.

It is a happy number.

768137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731867 = 17 ⋅43051.

It is a cyclic number.

It is not a de Polignac number, because 768137 - 2² = 768133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768133) 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, 2393 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (193344).

2⁷⁶⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

768137 is a deficient number, since it is larger than the sum of its proper divisors (5239).

768137 is a wasteful number, since it uses less digits than its factorization.

768137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238.

The product of its digits is 7056, while the sum is 32.

The square root of 768137 is about 876.4342530960. The cubic root of 768137 is about 91.5825844226.

The spelling of 768137 in words is "seven hundred sixty-eight thousand, one hundred thirty-seven".