272236894 has 4 divisors (see below), whose sum is σ = 408355344. Its totient is φ = 136118446.

The previous prime is 272236817. The next prime is 272236903. The reversal of 272236894 is 498632272.

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

It is a super-2 number, since 2×272236894² = 148225852909534472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 272236894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68059222 + ... + 68059225.

It is an arithmetic number, because the mean of its divisors is an integer number (102088836).

Almost surely, 2^272236894 is an apocalyptic number.

272236894 is a deficient number, since it is larger than the sum of its proper divisors (136118450).

272236894 is a wasteful number, since it uses less digits than its factorization.

272236894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136118449.

The product of its digits is 290304, while the sum is 43.

The square root of 272236894 is about 16499.6028437051. The cubic root of 272236894 is about 648.1104048408.

The spelling of 272236894 in words is "two hundred seventy-two million, two hundred thirty-six thousand, eight hundred ninety-four".