272142636 has 24 divisors (see below), whose sum is σ = 635469744. Its totient is φ = 90647040.

The previous prime is 272142631. The next prime is 272142653. The reversal of 272142636 is 636241272.

It is a super-2 number, since 2×272142636² = 148123228658056992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 272142597 and 272142606.

It is not an unprimeable number, because it can be changed into a prime (272142631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10116 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (26477906).

Almost surely, 2^272142636 is an apocalyptic number.

It is an amenable number.

272142636 is an abundant number, since it is smaller than the sum of its proper divisors (363327108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272142636 is a wasteful number, since it uses less digits than its factorization.

272142636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16801 (or 16799 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 272142636 is about 16496.7462246347. The cubic root of 272142636 is about 648.0355966575.

The spelling of 272142636 in words is "two hundred seventy-two million, one hundred forty-two thousand, six hundred thirty-six".