16274780 has 48 divisors (see below), whose sum is σ = 36542016. Its totient is φ = 6067200.

The previous prime is 16274779. The next prime is 16274789. The reversal of 16274780 is 8747261.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16274780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16274789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51182 + ... + 51498.

It is an arithmetic number, because the mean of its divisors is an integer number (761292).

Almost surely, 2^16274780 is an apocalyptic number.

16274780 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 16274780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18271008).

16274780 is an abundant number, since it is smaller than the sum of its proper divisors (20267236).

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

16274780 is a wasteful number, since it uses less digits than its factorization.

16274780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 16274780 is about 4034.2012840214. The cubic root of 16274780 is about 253.4185347459.

The spelling of 16274780 in words is "sixteen million, two hundred seventy-four thousand, seven hundred eighty".