670532194 has 4 divisors (see below), whose sum is σ = 1005798294. Its totient is φ = 335266096.

The previous prime is 670532189. The next prime is 670532197. The reversal of 670532194 is 491235076.

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., 616876569 + 53655625 = 24837^2 + 7325^2 .

It is a super-2 number, since 2×670532194² = 899226846380907272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670532197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167633047 + ... + 167633050.

Almost surely, 2^670532194 is an apocalyptic number.

670532194 is a deficient number, since it is larger than the sum of its proper divisors (335266100).

670532194 is a wasteful number, since it uses less digits than its factorization.

670532194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335266099.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 670532194 is about 25894.6363944350. The cubic root of 670532194 is about 875.2656364644.

The spelling of 670532194 in words is "six hundred seventy million, five hundred thirty-two thousand, one hundred ninety-four".