16742471 has 2 divisors, whose sum is σ = 16742472. Its totient is φ = 16742470.

The previous prime is 16742461. The next prime is 16742503. The reversal of 16742471 is 17424761.

It is an a-pointer prime, because the next prime (16742503) can be obtained adding 16742471 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16742471 - 2²² = 12548167 is a prime.

It is a super-3 number, since 3×16742471³ (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 (16742431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8371235 + 8371236.

It is an arithmetic number, because the mean of its divisors is an integer number (8371236).

Almost surely, 2^16742471 is an apocalyptic number.

16742471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16742471 is an equidigital number, since it uses as much as digits as its factorization.

16742471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 16742471 is about 4091.7564688041. The cubic root of 16742471 is about 255.8231556557.

The spelling of 16742471 in words is "sixteen million, seven hundred forty-two thousand, four hundred seventy-one".