212726274 has 8 divisors (see below), whose sum is σ = 425452560. Its totient is φ = 70908756.

The previous prime is 212726249. The next prime is 212726279. The reversal of 212726274 is 472627212.

It is a happy number.

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

212726274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212726279) 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 3 ways as a sum of consecutive naturals, for example, 17727184 + ... + 17727195.

It is an arithmetic number, because the mean of its divisors is an integer number (53181570).

Almost surely, 2^212726274 is an apocalyptic number.

212726274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212726274 is a wasteful number, since it uses less digits than its factorization.

212726274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35454384.

The product of its digits is 18816, while the sum is 33.

The square root of 212726274 is about 14585.1388063330. The cubic root of 212726274 is about 596.9533280574.

The spelling of 212726274 in words is "two hundred twelve million, seven hundred twenty-six thousand, two hundred seventy-four".