662770 has 16 divisors (see below), whose sum is σ = 1202688. Its totient is φ = 262960.

The previous prime is 662743. The next prime is 662771. The reversal of 662770 is 77266.

662770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (662771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (75168).

2⁶⁶²⁷⁷⁰ is an apocalyptic number.

662770 is a deficient number, since it is larger than the sum of its proper divisors (539918).

662770 is a wasteful number, since it uses less digits than its factorization.

662770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 662770 is about 814.1068725911. The cubic root of 662770 is about 87.1875111873.

The spelling of 662770 in words is "six hundred sixty-two thousand, seven hundred seventy".