272336645 has 16 divisors (see below), whose sum is σ = 375270528. Its totient is φ = 185855040.

The previous prime is 272336639. The next prime is 272336653. The reversal of 272336645 is 546633272.

It is a happy number.

It is not a de Polignac number, because 272336645 - 2¹⁰ = 272335621 is a prime.

It is a super-3 number, since 3×272336645³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 272336599 and 272336608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11054 + ... + 25823.

It is an arithmetic number, because the mean of its divisors is an integer number (23454408).

Almost surely, 2^272336645 is an apocalyptic number.

It is an amenable number.

272336645 is a deficient number, since it is larger than the sum of its proper divisors (102933883).

272336645 is a wasteful number, since it uses less digits than its factorization.

272336645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37100.

The product of its digits is 181440, while the sum is 38.

The square root of 272336645 is about 16502.6253971906. The cubic root of 272336645 is about 648.1895537584.

The spelling of 272336645 in words is "two hundred seventy-two million, three hundred thirty-six thousand, six hundred forty-five".