272775405 has 48 divisors (see below), whose sum is σ = 511752384. Its totient is φ = 123701760.

The previous prime is 272775383. The next prime is 272775409. The reversal of 272775405 is 504577272.

It is not a de Polignac number, because 272775405 - 2¹¹ = 272773357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272775409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94869 + ... + 97701.

It is an arithmetic number, because the mean of its divisors is an integer number (10661508).

Almost surely, 2^272775405 is an apocalyptic number.

It is an amenable number.

272775405 is a deficient number, since it is larger than the sum of its proper divisors (238976979).

272775405 is a wasteful number, since it uses less digits than its factorization.

272775405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 272775405 is about 16515.9136895299. The cubic root of 272775405 is about 648.5374651379.

The spelling of 272775405 in words is "two hundred seventy-two million, seven hundred seventy-five thousand, four hundred five".