270520731 has 24 divisors (see below), whose sum is σ = 423193680. Its totient is φ = 165531456.

The previous prime is 270520709. The next prime is 270520739. The reversal of 270520731 is 137025072.

270520731 is a `hidden beast` number, since 2 + 70 + 520 + 73 + 1 = 666.

It is not a de Polignac number, because 270520731 - 2¹⁰ = 270519707 is a prime.

It is a super-3 number, since 3×270520731³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 270520695 and 270520704.

It is not an unprimeable number, because it can be changed into a prime (270520739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14485 + ... + 27401.

It is an arithmetic number, because the mean of its divisors is an integer number (17633070).

Almost surely, 2^270520731 is an apocalyptic number.

270520731 is a deficient number, since it is larger than the sum of its proper divisors (152672949).

270520731 is a wasteful number, since it uses less digits than its factorization.

270520731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115 (or 13112 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 270520731 is about 16447.5144322782. The cubic root of 270520731 is about 646.7456516281.

It can be divided in two parts, 2705 and 20731, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 270520731 in words is "two hundred seventy million, five hundred twenty thousand, seven hundred thirty-one".