670223040 has 112 divisors (see below), whose sum is σ = 2133112320. Its totient is φ = 178293760.

The previous prime is 670223017. The next prime is 670223051. The reversal of 670223040 is 40322076.

670223040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 670223040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689755 + ... + 690725.

Almost surely, 2^670223040 is an apocalyptic number.

670223040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066556160).

670223040 is an abundant number, since it is smaller than the sum of its proper divisors (1462889280).

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

670223040 is a wasteful number, since it uses less digits than its factorization.

670223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 670223040 is about 25888.6662460622. Note that the first 3 decimals coincide. The cubic root of 670223040 is about 875.1310998123.

The spelling of 670223040 in words is "six hundred seventy million, two hundred twenty-three thousand, forty".