16970780 has 48 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 6397248.

The previous prime is 16970773. The next prime is 16970783. The reversal of 16970780 is 8707961.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16970783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36107 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^16970780 is an apocalyptic number.

16970780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16970780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

16970780 is an abundant number, since it is smaller than the sum of its proper divisors (20768740).

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

16970780 is a wasteful number, since it uses less digits than its factorization.

16970780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 16970780 is about 4119.5606561865. The cubic root of 16970780 is about 256.9807552699.

The spelling of 16970780 in words is "sixteen million, nine hundred seventy thousand, seven hundred eighty".