213274726 has 16 divisors (see below), whose sum is σ = 368071200. Its totient is φ = 90789120.

The previous prime is 213274723. The next prime is 213274739. The reversal of 213274726 is 627472312.

It is a super-2 number, since 2×213274726² = 90972217500750152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213274691 and 213274700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213274723) 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 7 ways as a sum of consecutive naturals, for example, 49035 + ... + 53206.

It is an arithmetic number, because the mean of its divisors is an integer number (23004450).

Almost surely, 2^213274726 is an apocalyptic number.

213274726 is a deficient number, since it is larger than the sum of its proper divisors (154796474).

213274726 is a wasteful number, since it uses less digits than its factorization.

213274726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102399.

The product of its digits is 28224, while the sum is 34.

The square root of 213274726 is about 14603.9284440865. The cubic root of 213274726 is about 597.4659105333.

The spelling of 213274726 in words is "two hundred thirteen million, two hundred seventy-four thousand, seven hundred twenty-six".