734664617 has 2 divisors, whose sum is σ = 734664618. Its totient is φ = 734664616.

The previous prime is 734664613. The next prime is 734664631. The reversal of 734664617 is 716466437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631215376 + 103449241 = 25124^2 + 10171^2 .

It is an emirp because it is prime and its reverse (716466437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734664617 - 2² = 734664613 is a prime.

It is not a weakly prime, because it can be changed into another prime (734664613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367332308 + 367332309.

It is an arithmetic number, because the mean of its divisors is an integer number (367332309).

Almost surely, 2^734664617 is an apocalyptic number.

It is an amenable number.

734664617 is a deficient number, since it is larger than the sum of its proper divisors (1).

734664617 is an equidigital number, since it uses as much as digits as its factorization.

734664617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 734664617 is about 27104.6973235268. The cubic root of 734664617 is about 902.3251061359.

The spelling of 734664617 in words is "seven hundred thirty-four million, six hundred sixty-four thousand, six hundred seventeen".