708901994 has 4 divisors (see below), whose sum is σ = 1063352994. Its totient is φ = 354450996.

The previous prime is 708901993. The next prime is 708902053. The reversal of 708901994 is 499109807.

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., 529690225 + 179211769 = 23015^2 + 13387^2 .

It is not an unprimeable number, because it can be changed into a prime (708901993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177225497 + ... + 177225500.

Almost surely, 2^708901994 is an apocalyptic number.

708901994 is a deficient number, since it is larger than the sum of its proper divisors (354451000).

708901994 is a wasteful number, since it uses less digits than its factorization.

708901994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354450999.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 708901994 is about 26625.2135014914. The cubic root of 708901994 is about 891.6520231366.

The spelling of 708901994 in words is "seven hundred eight million, nine hundred one thousand, nine hundred ninety-four".