272744426 has 4 divisors (see below), whose sum is σ = 409116642. Its totient is φ = 136372212.

The previous prime is 272744383. The next prime is 272744443. The reversal of 272744426 is 624447272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 262472401 + 10272025 = 16201^2 + 3205^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 272744426.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68186105 + ... + 68186108.

Almost surely, 2^272744426 is an apocalyptic number.

272744426 is a deficient number, since it is larger than the sum of its proper divisors (136372216).

272744426 is a wasteful number, since it uses less digits than its factorization.

272744426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136372215.

The product of its digits is 150528, while the sum is 38.

The square root of 272744426 is about 16514.9758098521. The cubic root of 272744426 is about 648.5129128232.

The spelling of 272744426 in words is "two hundred seventy-two million, seven hundred forty-four thousand, four hundred twenty-six".