670434351 has 4 divisors (see below), whose sum is σ = 893912472. Its totient is φ = 446956232.

The previous prime is 670434343. The next prime is 670434353. The reversal of 670434351 is 153434076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670434351 - 2³ = 670434343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670434353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111739056 + ... + 111739061.

It is an arithmetic number, because the mean of its divisors is an integer number (223478118).

Almost surely, 2^670434351 is an apocalyptic number.

670434351 is a deficient number, since it is larger than the sum of its proper divisors (223478121).

670434351 is a wasteful number, since it uses less digits than its factorization.

670434351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223478120.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 670434351 is about 25892.7470732636. The cubic root of 670434351 is about 875.2230619332.

The spelling of 670434351 in words is "six hundred seventy million, four hundred thirty-four thousand, three hundred fifty-one".