273657345 has 16 divisors (see below), whose sum is σ = 471532992. Its totient is φ = 134723520.

The previous prime is 273657331. The next prime is 273657383. The reversal of 273657345 is 543756372.

It is not a de Polignac number, because 273657345 - 2¹¹ = 273655297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273657297 and 273657306.

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, 701491 + ... + 701880.

It is an arithmetic number, because the mean of its divisors is an integer number (29470812).

Almost surely, 2^273657345 is an apocalyptic number.

It is an amenable number.

273657345 is a deficient number, since it is larger than the sum of its proper divisors (197875647).

273657345 is a wasteful number, since it uses less digits than its factorization.

273657345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403392.

The product of its digits is 529200, while the sum is 42.

The square root of 273657345 is about 16542.5918465034. The cubic root of 273657345 is about 649.2356656749.

The spelling of 273657345 in words is "two hundred seventy-three million, six hundred fifty-seven thousand, three hundred forty-five".