272405630 has 32 divisors (see below), whose sum is σ = 561933504. Its totient is φ = 93136896.

The previous prime is 272405563. The next prime is 272405647. The reversal of 272405630 is 36504272.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 272405593 and 272405602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20894 + ... + 31326.

It is an arithmetic number, because the mean of its divisors is an integer number (17560422).

Almost surely, 2^272405630 is an apocalyptic number.

272405630 is an abundant number, since it is smaller than the sum of its proper divisors (289527874).

272405630 is a wasteful number, since it uses less digits than its factorization.

272405630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 272405630 is about 16504.7153868220. The cubic root of 272405630 is about 648.2442796306.

The spelling of 272405630 in words is "two hundred seventy-two million, four hundred five thousand, six hundred thirty".