16873740 has 72 divisors (see below), whose sum is σ = 55128528. Its totient is φ = 4152960.

The previous prime is 16873723. The next prime is 16873751. The reversal of 16873740 is 4737861.

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

It is a junction number, because it is equal to n+sod(n) for n = 16873695 and 16873704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (765674).

Almost surely, 2^16873740 is an apocalyptic number.

16873740 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 16873740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27564264).

16873740 is an abundant number, since it is smaller than the sum of its proper divisors (38254788).

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

16873740 is a wasteful number, since it uses less digits than its factorization.

16873740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7234 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 16873740 is about 4107.7658161098. The cubic root of 16873740 is about 256.4900079324.

The spelling of 16873740 in words is "sixteen million, eight hundred seventy-three thousand, seven hundred forty".