670704134 has 4 divisors (see below), whose sum is σ = 1006056204. Its totient is φ = 335352066.

The previous prime is 670704119. The next prime is 670704137. The reversal of 670704134 is 431407076.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670704134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670704137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167676032 + ... + 167676035.

It is an arithmetic number, because the mean of its divisors is an integer number (251514051).

Almost surely, 2^670704134 is an apocalyptic number.

670704134 is a deficient number, since it is larger than the sum of its proper divisors (335352070).

670704134 is a wasteful number, since it uses less digits than its factorization.

670704134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335352069.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 670704134 is about 25897.9561741849. The cubic root of 670704134 is about 875.3404428711.

The spelling of 670704134 in words is "six hundred seventy million, seven hundred four thousand, one hundred thirty-four".