670407338 has 4 divisors (see below), whose sum is σ = 1005611010. Its totient is φ = 335203668.

The previous prime is 670407337. The next prime is 670407349. The reversal of 670407338 is 833704076.

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

It can be written as a sum of positive squares in only one way, i.e., 382867489 + 287539849 = 19567^2 + 16957^2 .

It is not an unprimeable number, because it can be changed into a prime (670407337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167601833 + ... + 167601836.

Almost surely, 2^670407338 is an apocalyptic number.

670407338 is a deficient number, since it is larger than the sum of its proper divisors (335203672).

670407338 is a wasteful number, since it uses less digits than its factorization.

670407338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335203671.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 670407338 is about 25892.2254354468. The cubic root of 670407338 is about 875.2113070074.

The spelling of 670407338 in words is "six hundred seventy million, four hundred seven thousand, three hundred thirty-eight".