16742999 has 12 divisors (see below), whose sum is σ = 20721456. Its totient is φ = 13246272.

The previous prime is 16742987. The next prime is 16743017. The reversal of 16742999 is 99924761.

It is not a de Polignac number, because 16742999 - 2⁴ = 16742983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16742939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5894 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (1726788).

Almost surely, 2^16742999 is an apocalyptic number.

16742999 is a deficient number, since it is larger than the sum of its proper divisors (3978457).

16742999 is a wasteful number, since it uses less digits than its factorization.

16742999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14186 (or 14173 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 16742999 is about 4091.8209882643. The cubic root of 16742999 is about 255.8258448885.

The spelling of 16742999 in words is "sixteen million, seven hundred forty-two thousand, nine hundred ninety-nine".