147734689 has 2 divisors, whose sum is σ = 147734690. Its totient is φ = 147734688.

The previous prime is 147734663. The next prime is 147734693. The reversal of 147734689 is 986437741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 35904064 = 10575^2 + 5992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147734689 is a prime.

It is not a weakly prime, because it can be changed into another prime (147734659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73867344 + 73867345.

It is an arithmetic number, because the mean of its divisors is an integer number (73867345).

Almost surely, 2^147734689 is an apocalyptic number.

It is an amenable number.

147734689 is a deficient number, since it is larger than the sum of its proper divisors (1).

147734689 is an equidigital number, since it uses as much as digits as its factorization.

147734689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 147734689 is about 12154.6159544430. The cubic root of 147734689 is about 528.6409812367.

The spelling of 147734689 in words is "one hundred forty-seven million, seven hundred thirty-four thousand, six hundred eighty-nine".