272563421 has 8 divisors (see below), whose sum is σ = 298505760. Its totient is φ = 247331952.

The previous prime is 272563381. The next prime is 272563457. The reversal of 272563421 is 124365272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272563421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272563021) 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, 176915 + ... + 178448.

It is an arithmetic number, because the mean of its divisors is an integer number (37313220).

Almost surely, 2^272563421 is an apocalyptic number.

It is an amenable number.

272563421 is a deficient number, since it is larger than the sum of its proper divisors (25942339).

272563421 is a wasteful number, since it uses less digits than its factorization.

272563421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355435.

The product of its digits is 20160, while the sum is 32.

The square root of 272563421 is about 16509.4948741626. The cubic root of 272563421 is about 648.3694206682.

The spelling of 272563421 in words is "two hundred seventy-two million, five hundred sixty-three thousand, four hundred twenty-one".