670531343 has 8 divisors (see below), whose sum is σ = 687551760. Its totient is φ = 653542720.

The previous prime is 670531321. The next prime is 670531447. The reversal of 670531343 is 343135076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670531343 - 2⁸ = 670531087 is a prime.

It is a super-2 number, since 2×670531343² = 899224563890767298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670534343) 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, 38096 + ... + 52842.

It is an arithmetic number, because the mean of its divisors is an integer number (85943970).

Almost surely, 2^670531343 is an apocalyptic number.

670531343 is a deficient number, since it is larger than the sum of its proper divisors (17020417).

670531343 is a wasteful number, since it uses less digits than its factorization.

670531343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15897.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 670531343 is about 25894.6199624555. The cubic root of 670531343 is about 875.2652661857.

The spelling of 670531343 in words is "six hundred seventy million, five hundred thirty-one thousand, three hundred forty-three".