16961730 has 16 divisors (see below), whose sum is σ = 40708224. Its totient is φ = 4523120.

The previous prime is 16961729. The next prime is 16961771. The reversal of 16961730 is 3716961.

It is a junction number, because it is equal to n+sod(n) for n = 16961691 and 16961700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282666 + ... + 282725.

It is an arithmetic number, because the mean of its divisors is an integer number (2544264).

Almost surely, 2^16961730 is an apocalyptic number.

16961730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16961730 is an abundant number, since it is smaller than the sum of its proper divisors (23746494).

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

16961730 is a wasteful number, since it uses less digits than its factorization.

16961730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565401.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 16961730 is about 4118.4620916065. The cubic root of 16961730 is about 256.9350671447.

The spelling of 16961730 in words is "sixteen million, nine hundred sixty-one thousand, seven hundred thirty".