16723473 has 8 divisors (see below), whose sum is σ = 24013248. Its totient is φ = 10291344.

The previous prime is 16723471. The next prime is 16723489. The reversal of 16723473 is 37432761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16723473 - 2¹ = 16723471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16723471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214365 + ... + 214442.

It is an arithmetic number, because the mean of its divisors is an integer number (3001656).

Almost surely, 2^16723473 is an apocalyptic number.

16723473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16723473 is a deficient number, since it is larger than the sum of its proper divisors (7289775).

16723473 is a wasteful number, since it uses less digits than its factorization.

16723473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428823.

The product of its digits is 21168, while the sum is 33.

The square root of 16723473 is about 4089.4343129582. The cubic root of 16723473 is about 255.7263565678.

The spelling of 16723473 in words is "sixteen million, seven hundred twenty-three thousand, four hundred seventy-three".