670462434 has 80 divisors (see below), whose sum is σ = 1537122048. Its totient is φ = 218373408.

The previous prime is 670462427. The next prime is 670462447. The reversal of 670462434 is 434264076.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2420304 + ... + 2420580.

Almost surely, 2^670462434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670462434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768561024).

670462434 is an abundant number, since it is smaller than the sum of its proper divisors (866659614).

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

670462434 is a wasteful number, since it uses less digits than its factorization.

670462434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 670462434 is about 25893.2893623039. The cubic root of 670462434 is about 875.2352821434.

The spelling of 670462434 in words is "six hundred seventy million, four hundred sixty-two thousand, four hundred thirty-four".