147711973 has 2 divisors, whose sum is σ = 147711974. Its totient is φ = 147711972.

The previous prime is 147711953. The next prime is 147712043. The reversal of 147711973 is 379117741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143209089 + 4502884 = 11967^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 147711973 - 2¹³ = 147703781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147711913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73855986 + 73855987.

It is an arithmetic number, because the mean of its divisors is an integer number (73855987).

Almost surely, 2^147711973 is an apocalyptic number.

It is an amenable number.

147711973 is a deficient number, since it is larger than the sum of its proper divisors (1).

147711973 is an equidigital number, since it uses as much as digits as its factorization.

147711973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 40.

The square root of 147711973 is about 12153.6814587186. The cubic root of 147711973 is about 528.6138848606.

The spelling of 147711973 in words is "one hundred forty-seven million, seven hundred eleven thousand, nine hundred seventy-three".