16742453 has 16 divisors (see below), whose sum is σ = 20716416. Its totient is φ = 13176000.

The previous prime is 16742447. The next prime is 16742461. The reversal of 16742453 is 35424761.

It is a cyclic number.

It is not a de Polignac number, because 16742453 - 2⁸ = 16742197 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16742423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22475 + ... + 23207.

It is an arithmetic number, because the mean of its divisors is an integer number (1294776).

Almost surely, 2^16742453 is an apocalyptic number.

16742453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16742453 is a deficient number, since it is larger than the sum of its proper divisors (3973963).

16742453 is a wasteful number, since it uses less digits than its factorization.

16742453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its digits is 20160, while the sum is 32.

The square root of 16742453 is about 4091.7542692591. The cubic root of 16742453 is about 255.8230639763.

The spelling of 16742453 in words is "sixteen million, seven hundred forty-two thousand, four hundred fifty-three".