764227 has 4 divisors (see below), whose sum is σ = 777240. Its totient is φ = 751216.

The previous prime is 764209. The next prime is 764233. The reversal of 764227 is 722467.

764227 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764227 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 764195 and 764204.

It is not an unprimeable number, because it can be changed into a prime (764327) 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, 6418 + ... + 6535.

It is an arithmetic number, because the mean of its divisors is an integer number (194310).

2⁷⁶⁴²²⁷ is an apocalyptic number.

764227 is a deficient number, since it is larger than the sum of its proper divisors (13013).

764227 is a wasteful number, since it uses less digits than its factorization.

764227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13012.

The product of its digits is 4704, while the sum is 28.

The square root of 764227 is about 874.2007778537. The cubic root of 764227 is about 91.4269276351.

The spelling of 764227 in words is "seven hundred sixty-four thousand, two hundred twenty-seven".