702664642 has 8 divisors (see below), whose sum is σ = 1079704332. Its totient is φ = 342763200.

The previous prime is 702664609. The next prime is 702664649. The reversal of 702664642 is 246466207.

It can be written as a sum of positive squares in 2 ways, for example, as 699126481 + 3538161 = 26441^2 + 1881^2 .

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

It is not an unprimeable number, because it can be changed into a prime (702664649) 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, 4284459 + ... + 4284622.

Almost surely, 2^702664642 is an apocalyptic number.

702664642 is a deficient number, since it is larger than the sum of its proper divisors (377039690).

702664642 is a wasteful number, since it uses less digits than its factorization.

702664642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569124.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 702664642 is about 26507.8222794706. The cubic root of 702664642 is about 889.0292162819.

The spelling of 702664642 in words is "seven hundred two million, six hundred sixty-four thousand, six hundred forty-two".