16713640 has 64 divisors (see below), whose sum is σ = 40383360. Its totient is φ = 6209280.

The previous prime is 16713637. The next prime is 16713647. The reversal of 16713640 is 4631761.

It is a junction number, because it is equal to n+sod(n) for n = 16713599 and 16713608.

It is not an unprimeable number, because it can be changed into a prime (16713647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33795 + ... + 34285.

It is an arithmetic number, because the mean of its divisors is an integer number (630990).

Almost surely, 2^16713640 is an apocalyptic number.

16713640 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 16713640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20191680).

16713640 is an abundant number, since it is smaller than the sum of its proper divisors (23669720).

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

16713640 is a wasteful number, since it uses less digits than its factorization.

16713640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16713640 is about 4088.2318916617. The cubic root of 16713640 is about 255.6762264253.

The spelling of 16713640 in words is "sixteen million, seven hundred thirteen thousand, six hundred forty".