272303421 has 32 divisors (see below), whose sum is σ = 416304000. Its totient is φ = 156930048.

The previous prime is 272303419. The next prime is 272303429. The reversal of 272303421 is 124303272.

It is not a de Polignac number, because 272303421 - 2¹ = 272303419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272303391 and 272303400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272303429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63885 + ... + 68013.

It is an arithmetic number, because the mean of its divisors is an integer number (13009500).

Almost surely, 2^272303421 is an apocalyptic number.

It is an amenable number.

272303421 is a deficient number, since it is larger than the sum of its proper divisors (144000579).

272303421 is a wasteful number, since it uses less digits than its factorization.

272303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 272303421 is about 16501.6187387783. The cubic root of 272303421 is about 648.1631938273.

Adding to 272303421 its reverse (124303272), we get a palindrome (396606693).

The spelling of 272303421 in words is "two hundred seventy-two million, three hundred three thousand, four hundred twenty-one".