16742461 has 2 divisors, whose sum is σ = 16742462. Its totient is φ = 16742460.

The previous prime is 16742447. The next prime is 16742471. The reversal of 16742461 is 16424761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15132100 + 1610361 = 3890^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 16742461 - 2⁷ = 16742333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16742431) 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, 8371230 + 8371231.

It is an arithmetic number, because the mean of its divisors is an integer number (8371231).

Almost surely, 2^16742461 is an apocalyptic number.

It is an amenable number.

16742461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16742461 is an equidigital number, since it uses as much as digits as its factorization.

16742461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 16742461 is about 4091.7552468348. The cubic root of 16742461 is about 255.8231047227.

The spelling of 16742461 in words is "sixteen million, seven hundred forty-two thousand, four hundred sixty-one".