147069973 has 2 divisors, whose sum is σ = 147069974. Its totient is φ = 147069972.

The previous prime is 147069959. The next prime is 147069977. The reversal of 147069973 is 379960741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111999889 + 35070084 = 10583^2 + 5922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147069973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147069977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73534986 + 73534987.

It is an arithmetic number, because the mean of its divisors is an integer number (73534987).

Almost surely, 2^147069973 is an apocalyptic number.

It is an amenable number.

147069973 is a deficient number, since it is larger than the sum of its proper divisors (1).

147069973 is an equidigital number, since it uses as much as digits as its factorization.

147069973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 147069973 is about 12127.2409475527. The cubic root of 147069973 is about 527.8469351329.

The spelling of 147069973 in words is "one hundred forty-seven million, sixty-nine thousand, nine hundred seventy-three".