16739420 has 12 divisors (see below), whose sum is σ = 35152824. Its totient is φ = 6695760.

The previous prime is 16739417. The next prime is 16739447. The reversal of 16739420 is 2493761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418466 + ... + 418505.

It is an arithmetic number, because the mean of its divisors is an integer number (2929402).

Almost surely, 2^16739420 is an apocalyptic number.

16739420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16739420 is an abundant number, since it is smaller than the sum of its proper divisors (18413404).

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

16739420 is a wasteful number, since it uses less digits than its factorization.

16739420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836980 (or 836978 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16739420 is about 4091.3836290429. The cubic root of 16739420 is about 255.8076150611.

The spelling of 16739420 in words is "sixteen million, seven hundred thirty-nine thousand, four hundred twenty".