16704475 has 6 divisors (see below), whose sum is σ = 20713580. Its totient is φ = 13363560.

The previous prime is 16704473. The next prime is 16704503. The reversal of 16704475 is 57440761.

It is a happy number.

It is not a de Polignac number, because 16704475 - 2¹ = 16704473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16704475.

It is not an unprimeable number, because it can be changed into a prime (16704473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334065 + ... + 334114.

Almost surely, 2^16704475 is an apocalyptic number.

16704475 is a deficient number, since it is larger than the sum of its proper divisors (4009105).

16704475 is an equidigital number, since it uses as much as digits as its factorization.

16704475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668189 (or 668184 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 16704475 is about 4087.1108377435. The cubic root of 16704475 is about 255.6294841425.

The spelling of 16704475 in words is "sixteen million, seven hundred four thousand, four hundred seventy-five".