273013645 has 8 divisors (see below), whose sum is σ = 327765240. Its totient is φ = 218311680.

The previous prime is 273013619. The next prime is 273013669. The reversal of 273013645 is 546310372.

It can be written as a sum of positive squares in 4 ways, for example, as 1225449 + 271788196 = 1107^2 + 16486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 273013645 - 2⁹ = 273013133 is a prime.

It is a super-3 number, since 3×273013645³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021 + ... + 23389.

It is an arithmetic number, because the mean of its divisors is an integer number (40970655).

Almost surely, 2^273013645 is an apocalyptic number.

It is an amenable number.

273013645 is a deficient number, since it is larger than the sum of its proper divisors (54751595).

273013645 is a wasteful number, since it uses less digits than its factorization.

273013645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24815.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 273013645 is about 16523.1245531830. The cubic root of 273013645 is about 648.7262194547.

The spelling of 273013645 in words is "two hundred seventy-three million, thirteen thousand, six hundred forty-five".