247372673 has 2 divisors, whose sum is σ = 247372674. Its totient is φ = 247372672.

The previous prime is 247372651. The next prime is 247372681. The reversal of 247372673 is 376273742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128300929 + 119071744 = 11327^2 + 10912^2 .

It is a cyclic number.

It is not a de Polignac number, because 247372673 - 2¹² = 247368577 is a prime.

It is a super-2 number, since 2×247372673² = 122386478694329858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247372673.

It is not a weakly prime, because it can be changed into another prime (247372603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123686336 + 123686337.

It is an arithmetic number, because the mean of its divisors is an integer number (123686337).

Almost surely, 2^247372673 is an apocalyptic number.

It is an amenable number.

247372673 is a deficient number, since it is larger than the sum of its proper divisors (1).

247372673 is an equidigital number, since it uses as much as digits as its factorization.

247372673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 41.

The square root of 247372673 is about 15728.0854842540. The cubic root of 247372673 is about 627.7459323938.

The spelling of 247372673 in words is "two hundred forty-seven million, three hundred seventy-two thousand, six hundred seventy-three".