16997270 has 8 divisors (see below), whose sum is σ = 30595104. Its totient is φ = 6798904.

The previous prime is 16997261. The next prime is 16997273. The reversal of 16997270 is 7279961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16997273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849854 + ... + 849873.

It is an arithmetic number, because the mean of its divisors is an integer number (3824388).

Almost surely, 2^16997270 is an apocalyptic number.

16997270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16997270 is a deficient number, since it is larger than the sum of its proper divisors (13597834).

16997270 is a wasteful number, since it uses less digits than its factorization.

16997270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699734.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 16997270 is about 4122.7745511973. The cubic root of 16997270 is about 257.1143944099.

The spelling of 16997270 in words is "sixteen million, nine hundred ninety-seven thousand, two hundred seventy".