670703220 has 96 divisors (see below), whose sum is σ = 2276346240. Its totient is φ = 162593280.

The previous prime is 670703219. The next prime is 670703221. The reversal of 670703220 is 22307076.

It is an interprime number because it is at equal distance from previous prime (670703219) and next prime (670703221).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670703221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50517 + ... + 62396.

It is an arithmetic number, because the mean of its divisors is an integer number (23711940).

Almost surely, 2^670703220 is an apocalyptic number.

670703220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670703220 is an abundant number, since it is smaller than the sum of its proper divisors (1605643020).

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

670703220 is a wasteful number, since it uses less digits than its factorization.

670703220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112942 (or 112934 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 670703220 is about 25897.9385279987. The cubic root of 670703220 is about 875.3400452484.

The spelling of 670703220 in words is "six hundred seventy million, seven hundred three thousand, two hundred twenty".