272400836 has 12 divisors (see below), whose sum is σ = 477031212. Its totient is φ = 136106208.

The previous prime is 272400833. The next prime is 272400839. The reversal of 272400836 is 638004272.

It is an interprime number because it is at equal distance from previous prime (272400833) and next prime (272400839).

It can be written as a sum of positive squares in 2 ways, for example, as 109327936 + 163072900 = 10456^2 + 12770^2 .

It is not an unprimeable number, because it can be changed into a prime (272400833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16835 + ... + 28778.

It is an arithmetic number, because the mean of its divisors is an integer number (39752601).

Almost surely, 2^272400836 is an apocalyptic number.

It is an amenable number.

272400836 is a deficient number, since it is larger than the sum of its proper divisors (204630376).

272400836 is a wasteful number, since it uses less digits than its factorization.

272400836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47110 (or 47108 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 272400836 is about 16504.5701549601. The cubic root of 272400836 is about 648.2404768442.

The spelling of 272400836 in words is "two hundred seventy-two million, four hundred thousand, eight hundred thirty-six".