16734493 has 2 divisors, whose sum is σ = 16734494. Its totient is φ = 16734492.

The previous prime is 16734481. The next prime is 16734499. The reversal of 16734493 is 39443761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16176484 + 558009 = 4022^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 16734493 - 2⁵ = 16734461 is a prime.

It is a super-3 number, since 3×16734493³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16734499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8367246 + 8367247.

It is an arithmetic number, because the mean of its divisors is an integer number (8367247).

Almost surely, 2^16734493 is an apocalyptic number.

It is an amenable number.

16734493 is a deficient number, since it is larger than the sum of its proper divisors (1).

16734493 is an equidigital number, since it uses as much as digits as its factorization.

16734493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 16734493 is about 4090.7814656860. The cubic root of 16734493 is about 255.7825148725.

The spelling of 16734493 in words is "sixteen million, seven hundred thirty-four thousand, four hundred ninety-three".