16973743 has 2 divisors, whose sum is σ = 16973744. Its totient is φ = 16973742.

The previous prime is 16973699. The next prime is 16973753. The reversal of 16973743 is 34737961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16973743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16973696 and 16973705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16973753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8486871 + 8486872.

It is an arithmetic number, because the mean of its divisors is an integer number (8486872).

Almost surely, 2^16973743 is an apocalyptic number.

16973743 is a deficient number, since it is larger than the sum of its proper divisors (1).

16973743 is an equidigital number, since it uses as much as digits as its factorization.

16973743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 16973743 is about 4119.9202662188. The cubic root of 16973743 is about 256.9957101839.

The spelling of 16973743 in words is "sixteen million, nine hundred seventy-three thousand, seven hundred forty-three".