670902 has 16 divisors (see below), whose sum is σ = 1385472. Its totient is φ = 216360.

The previous prime is 670897. The next prime is 670903. The reversal of 670902 is 209076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670903) by changing a digit.

670902 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 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 1989.

It is an arithmetic number, because the mean of its divisors is an integer number (86592).

2⁶⁷⁰⁹⁰² is an apocalyptic number.

670902 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

670902 is an abundant number, since it is smaller than the sum of its proper divisors (714570).

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

670902 is a wasteful number, since it uses less digits than its factorization.

670902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 670902 is about 819.0860760628. The cubic root of 670902 is about 87.5426513154.

Adding to 670902 its reverse (209076), we get a palindrome (879978).

The spelling of 670902 in words is "six hundred seventy thousand, nine hundred two".