670734132 has 24 divisors (see below), whose sum is σ = 1580544672. Its totient is φ = 221364000.

The previous prime is 670734121. The next prime is 670734137. The reversal of 670734132 is 231437076.

It is a junction number, because it is equal to n+sod(n) for n = 670734093 and 670734102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670734137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275494 + ... + 277917.

It is an arithmetic number, because the mean of its divisors is an integer number (65856028).

Almost surely, 2^670734132 is an apocalyptic number.

It is an amenable number.

670734132 is an abundant number, since it is smaller than the sum of its proper divisors (909810540).

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

670734132 is a wasteful number, since it uses less digits than its factorization.

670734132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553519 (or 553517 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 670734132 is about 25898.5353253809. The cubic root of 670734132 is about 875.3534928732.

The spelling of 670734132 in words is "six hundred seventy million, seven hundred thirty-four thousand, one hundred thirty-two".