273472731 has 36 divisors (see below), whose sum is σ = 466582896. Its totient is φ = 151195680.

The previous prime is 273472711. The next prime is 273472741. The reversal of 273472731 is 137274372.

It is a happy number.

It is not a de Polignac number, because 273472731 - 2¹³ = 273464539 is a prime.

It is a super-2 number, since 2×273472731² = 149574669201196722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273472711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58285 + ... + 62801.

It is an arithmetic number, because the mean of its divisors is an integer number (12960636).

Almost surely, 2^273472731 is an apocalyptic number.

273472731 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

273472731 is a deficient number, since it is larger than the sum of its proper divisors (193110165).

273472731 is a wasteful number, since it uses less digits than its factorization.

273472731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4558 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 273472731 is about 16537.0109451497. The cubic root of 273472731 is about 649.0896376119.

The spelling of 273472731 in words is "two hundred seventy-three million, four hundred seventy-two thousand, seven hundred thirty-one".