768156 has 12 divisors (see below), whose sum is σ = 1792392. Its totient is φ = 256048.

The previous prime is 768139. The next prime is 768161. The reversal of 768156 is 651867.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

768156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31995 + ... + 32018.

It is an arithmetic number, because the mean of its divisors is an integer number (149366).

2⁷⁶⁸¹⁵⁶ is an apocalyptic number.

It is an amenable number.

768156 is an abundant number, since it is smaller than the sum of its proper divisors (1024236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768156 is a wasteful number, since it uses less digits than its factorization.

768156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64020 (or 64018 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 768156 is about 876.4450924045. The cubic root of 768156 is about 91.5833395200.

The spelling of 768156 in words is "seven hundred sixty-eight thousand, one hundred fifty-six".