670701072 has 80 divisors (see below), whose sum is σ = 1787996672. Its totient is φ = 216483840.

The previous prime is 670701049. The next prime is 670701103. The reversal of 670701072 is 270107076.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

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, 427233 + ... + 428799.

Almost surely, 2^670701072 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 670701072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893998336).

670701072 is an abundant number, since it is smaller than the sum of its proper divisors (1117295600).

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

670701072 is a wasteful number, since it uses less digits than its factorization.

670701072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 670701072 is about 25897.8970574833. The cubic root of 670701072 is about 875.3391107902.

The spelling of 670701072 in words is "six hundred seventy million, seven hundred one thousand, seventy-two".