16772973 has 8 divisors (see below), whose sum is σ = 25558848. Its totient is φ = 9584544.

The previous prime is 16772927. The next prime is 16772983. The reversal of 16772973 is 37927761.

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

It is not a de Polignac number, because 16772973 - 2¹⁰ = 16771949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772923) 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, 399336 + ... + 399377.

It is an arithmetic number, because the mean of its divisors is an integer number (3194856).

Almost surely, 2^16772973 is an apocalyptic number.

It is an amenable number.

16772973 is a deficient number, since it is larger than the sum of its proper divisors (8785875).

16772973 is an equidigital number, since it uses as much as digits as its factorization.

16772973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798723.

The product of its digits is 111132, while the sum is 42.

The square root of 16772973 is about 4095.4820229126. The cubic root of 16772973 is about 255.9784171664.

The spelling of 16772973 in words is "sixteen million, seven hundred seventy-two thousand, nine hundred seventy-three".