704370994 has 4 divisors (see below), whose sum is σ = 1056556494. Its totient is φ = 352185496.

The previous prime is 704370991. The next prime is 704371027. The reversal of 704370994 is 499073407.

It is a happy number.

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., 586366225 + 118004769 = 24215^2 + 10863^2 .

It is a super-2 number, since 2×704370994² = 992276994377096072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704370994.

It is not an unprimeable number, because it can be changed into a prime (704370991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176092747 + ... + 176092750.

Almost surely, 2^704370994 is an apocalyptic number.

704370994 is a deficient number, since it is larger than the sum of its proper divisors (352185500).

704370994 is a wasteful number, since it uses less digits than its factorization.

704370994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352185499.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 704370994 is about 26539.9885832681. The cubic root of 704370994 is about 889.7482745569.

The spelling of 704370994 in words is "seven hundred four million, three hundred seventy thousand, nine hundred ninety-four".