16772472 has 96 divisors (see below), whose sum is σ = 49027680. Its totient is φ = 5160960.

The previous prime is 16772471. The next prime is 16772491. The reversal of 16772472 is 27427761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772471) 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, 86808 + ... + 87000.

It is an arithmetic number, because the mean of its divisors is an integer number (510705).

Almost surely, 2^16772472 is an apocalyptic number.

16772472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16772472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24513840).

16772472 is an abundant number, since it is smaller than the sum of its proper divisors (32255208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16772472 is a wasteful number, since it uses less digits than its factorization.

16772472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 286 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 16772472 is about 4095.4208574944. The cubic root of 16772472 is about 255.9758684936.

The spelling of 16772472 in words is "sixteen million, seven hundred seventy-two thousand, four hundred seventy-two".