670072 has 32 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 290304.

The previous prime is 670051. The next prime is 670097. The reversal of 670072 is 270076.

670072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 1957.

2⁶⁷⁰⁰⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718200).

670072 is an abundant number, since it is smaller than the sum of its proper divisors (766328).

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

670072 is a wasteful number, since it uses less digits than its factorization.

670072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 670072 is about 818.5792570057. The cubic root of 670072 is about 87.5065355663.

The spelling of 670072 in words is "six hundred seventy thousand, seventy-two".