16724772 has 48 divisors (see below), whose sum is σ = 45252480. Its totient is φ = 5331744.

The previous prime is 16724767. The next prime is 16724833. The reversal of 16724772 is 27742761.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (942760).

Almost surely, 2^16724772 is an apocalyptic number.

16724772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16724772 is an abundant number, since it is smaller than the sum of its proper divisors (28527708).

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

16724772 is a wasteful number, since it uses less digits than its factorization.

16724772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769 (or 6761 counting only the distinct ones).

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

The square root of 16724772 is about 4089.5931337971. The cubic root of 16724772 is about 255.7329775996.

The spelling of 16724772 in words is "sixteen million, seven hundred twenty-four thousand, seven hundred seventy-two".