147706049 has 2 divisors, whose sum is σ = 147706050. Its totient is φ = 147706048.

The previous prime is 147706033. The next prime is 147706051. The reversal of 147706049 is 940607741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137827600 + 9878449 = 11740^2 + 3143^2 .

It is a cyclic number.

It is not a de Polignac number, because 147706049 - 2⁴ = 147706033 is a prime.

It is a super-2 number, since 2×147706049² = 43634153822380802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 147706051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (147706079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73853024 + 73853025.

It is an arithmetic number, because the mean of its divisors is an integer number (73853025).

Almost surely, 2^147706049 is an apocalyptic number.

It is an amenable number.

147706049 is a deficient number, since it is larger than the sum of its proper divisors (1).

147706049 is an equidigital number, since it uses as much as digits as its factorization.

147706049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 147706049 is about 12153.4377441117. The cubic root of 147706049 is about 528.6068180660.

The spelling of 147706049 in words is "one hundred forty-seven million, seven hundred six thousand, forty-nine".