272772450 has 72 divisors (see below), whose sum is σ = 746741268. Its totient is φ = 71360640.

The previous prime is 272772449. The next prime is 272772481. The reversal of 272772450 is 54277272.

It can be written as a sum of positive squares in 6 ways, for example, as 100821681 + 171950769 = 10041^2 + 13113^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18132 + ... + 29568.

Almost surely, 2^272772450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272772450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373370634).

272772450 is an abundant number, since it is smaller than the sum of its proper divisors (473968818).

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

272772450 is a wasteful number, since it uses less digits than its factorization.

272772450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508 (or 11500 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 272772450 is about 16515.8242301134. The cubic root of 272772450 is about 648.5351232416.

The spelling of 272772450 in words is "two hundred seventy-two million, seven hundred seventy-two thousand, four hundred fifty".