16772895 has 24 divisors (see below), whose sum is σ = 29785392. Its totient is φ = 8726400.

The previous prime is 16772893. The next prime is 16772923. The reversal of 16772895 is 59827761.

It is not a de Polignac number, because 16772895 - 2¹ = 16772893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16772895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2701 + ... + 6390.

It is an arithmetic number, because the mean of its divisors is an integer number (1241058).

Almost surely, 2^16772895 is an apocalyptic number.

16772895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16772895 is a deficient number, since it is larger than the sum of its proper divisors (13012497).

16772895 is a wasteful number, since it uses less digits than its factorization.

16772895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143 (or 9140 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 16772895 is about 4095.4725002129. The cubic root of 16772895 is about 255.9780203704.

The spelling of 16772895 in words is "sixteen million, seven hundred seventy-two thousand, eight hundred ninety-five".