670702732 has 48 divisors (see below), whose sum is σ = 1402347520. Its totient is φ = 274622400.

The previous prime is 670702727. The next prime is 670702733. The reversal of 670702732 is 237207076.

It is not an unprimeable number, because it can be changed into a prime (670702733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63682 + ... + 73462.

Almost surely, 2^670702732 is an apocalyptic number.

670702732 is a gapful number since it is divisible by the number (62) 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 670702732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701173760).

670702732 is an abundant number, since it is smaller than the sum of its proper divisors (731644788).

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

670702732 is a wasteful number, since it uses less digits than its factorization.

670702732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9902 (or 9900 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 670702732 is about 25897.9291063977. The cubic root of 670702732 is about 875.3398329508.

The spelling of 670702732 in words is "six hundred seventy million, seven hundred two thousand, seven hundred thirty-two".