16945704 has 48 divisors (see below), whose sum is σ = 47142420. Its totient is φ = 5495040.

The previous prime is 16945699. The next prime is 16945717. The reversal of 16945704 is 40754961.

It can be written as a sum of positive squares in 2 ways, for example, as 16793604 + 152100 = 4098^2 + 390^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517 + ... + 5844.

Almost surely, 2^16945704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16945704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23571210).

16945704 is an abundant number, since it is smaller than the sum of its proper divisors (30196716).

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

16945704 is a wasteful number, since it uses less digits than its factorization.

16945704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 16945704 is about 4116.5160026411. The cubic root of 16945704 is about 256.8541214139.

The spelling of 16945704 in words is "sixteen million, nine hundred forty-five thousand, seven hundred four".