16752040 has 32 divisors (see below), whose sum is σ = 38215080. Its totient is φ = 6607872.

The previous prime is 16752013. The next prime is 16752049. The reversal of 16752040 is 4025761.

It can be written as a sum of positive squares in 4 ways, for example, as 8538084 + 8213956 = 2922^2 + 2866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16751996 and 16752014.

It is not an unprimeable number, because it can be changed into a prime (16752049) 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, 52 + ... + 5788.

Almost surely, 2^16752040 is an apocalyptic number.

16752040 is a gapful number since it is divisible by the number (10) 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 16752040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19107540).

16752040 is an abundant number, since it is smaller than the sum of its proper divisors (21463040).

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

16752040 is a wasteful number, since it uses less digits than its factorization.

16752040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 16752040 is about 4092.9256040148. The cubic root of 16752040 is about 255.8718841370.

The spelling of 16752040 in words is "sixteen million, seven hundred fifty-two thousand, forty".