272147538 has 64 divisors (see below), whose sum is σ = 599703552. Its totient is φ = 81829440.

The previous prime is 272147537. The next prime is 272147567. The reversal of 272147538 is 835741272.

It is a super-2 number, since 2×272147538² = 148128564878922888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 272147496 and 272147505.

It is not an unprimeable number, because it can be changed into a prime (272147537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822033 + ... + 822363.

It is an arithmetic number, because the mean of its divisors is an integer number (9370368).

Almost surely, 2^272147538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272147538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299851776).

272147538 is an abundant number, since it is smaller than the sum of its proper divisors (327556014).

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

272147538 is a wasteful number, since it uses less digits than its factorization.

272147538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 94080, while the sum is 39.

The square root of 272147538 is about 16496.8947987189. The cubic root of 272147538 is about 648.0394875723.

The spelling of 272147538 in words is "two hundred seventy-two million, one hundred forty-seven thousand, five hundred thirty-eight".