704612137 has 2 divisors, whose sum is σ = 704612138. Its totient is φ = 704612136.

The previous prime is 704612089. The next prime is 704612173. The reversal of 704612137 is 731216407.

Together with next prime (704612173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381655296 + 322956841 = 19536^2 + 17971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704612137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 704612099 and 704612108.

It is not a weakly prime, because it can be changed into another prime (704612177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352306068 + 352306069.

It is an arithmetic number, because the mean of its divisors is an integer number (352306069).

Almost surely, 2^704612137 is an apocalyptic number.

It is an amenable number.

704612137 is a deficient number, since it is larger than the sum of its proper divisors (1).

704612137 is an equidigital number, since it uses as much as digits as its factorization.

704612137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 704612137 is about 26544.5312070114. The cubic root of 704612137 is about 889.8497987489.

The spelling of 704612137 in words is "seven hundred four million, six hundred twelve thousand, one hundred thirty-seven".