766057 has 4 divisors (see below), whose sum is σ = 768340. Its totient is φ = 763776.

The previous prime is 766049. The next prime is 766067. The reversal of 766057 is 750667.

766057 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.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 434281 = 576^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 766057 - 2³ = 766049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766067) 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, 528 + ... + 1345.

It is an arithmetic number, because the mean of its divisors is an integer number (192085).

2⁷⁶⁶⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

766057 is a deficient number, since it is larger than the sum of its proper divisors (2283).

766057 is a wasteful number, since it uses less digits than its factorization.

766057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 766057 is about 875.2468223307. The cubic root of 766057 is about 91.4998457202.

The spelling of 766057 in words is "seven hundred sixty-six thousand, fifty-seven".