147705973 has 2 divisors, whose sum is σ = 147705974. Its totient is φ = 147705972.

The previous prime is 147705919. The next prime is 147705983. The reversal of 147705973 is 379507741.

147705973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82047364 + 65658609 = 9058^2 + 8103^2 .

It is an emirp because it is prime and its reverse (379507741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147705973 - 2¹⁷ = 147574901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147705983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73852986 + 73852987.

It is an arithmetic number, because the mean of its divisors is an integer number (73852987).

Almost surely, 2^147705973 is an apocalyptic number.

It is an amenable number.

147705973 is a deficient number, since it is larger than the sum of its proper divisors (1).

147705973 is an equidigital number, since it uses as much as digits as its factorization.

147705973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 147705973 is about 12153.4346174240. The cubic root of 147705973 is about 528.6067274037.

The spelling of 147705973 in words is "one hundred forty-seven million, seven hundred five thousand, nine hundred seventy-three".