272157628 has 12 divisors (see below), whose sum is σ = 476461440. Its totient is φ = 136025792.

The previous prime is 272157623. The next prime is 272157671. The reversal of 272157628 is 826751272.

It is a happy number.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272157623) 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, 301 + ... + 23332.

It is an arithmetic number, because the mean of its divisors is an integer number (39705120).

Almost surely, 2^272157628 is an apocalyptic number.

It is an amenable number.

272157628 is a deficient number, since it is larger than the sum of its proper divisors (204303812).

272157628 is a wasteful number, since it uses less digits than its factorization.

272157628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26516 (or 26514 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 272157628 is about 16497.2006110128. The cubic root of 272157628 is about 648.0474962646.

It can be divided in two parts, 27215 and 7628, that added together give a palindrome (34843).

The spelling of 272157628 in words is "two hundred seventy-two million, one hundred fifty-seven thousand, six hundred twenty-eight".