704788613 has 2 divisors, whose sum is σ = 704788614. Its totient is φ = 704788612.

The previous prime is 704788583. The next prime is 704788621. The reversal of 704788613 is 316887407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470759809 + 234028804 = 21697^2 + 15298^2 .

It is a cyclic number.

It is not a de Polignac number, because 704788613 - 2²² = 700594309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704788633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352394306 + 352394307.

It is an arithmetic number, because the mean of its divisors is an integer number (352394307).

Almost surely, 2^704788613 is an apocalyptic number.

It is an amenable number.

704788613 is a deficient number, since it is larger than the sum of its proper divisors (1).

704788613 is an equidigital number, since it uses as much as digits as its factorization.

704788613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 704788613 is about 26547.8551487686. The cubic root of 704788613 is about 889.9240826546.

The spelling of 704788613 in words is "seven hundred four million, seven hundred eighty-eight thousand, six hundred thirteen".