273968638 has 16 divisors (see below), whose sum is σ = 446538240. Its totient is φ = 125587800.

The previous prime is 273968579. The next prime is 273968689. The reversal of 273968638 is 836869372.

273968638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 115108 + ... + 117463.

It is an arithmetic number, because the mean of its divisors is an integer number (27908640).

Almost surely, 2^273968638 is an apocalyptic number.

273968638 is a deficient number, since it is larger than the sum of its proper divisors (172569602).

273968638 is a wasteful number, since it uses less digits than its factorization.

273968638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232623.

The product of its digits is 2612736, while the sum is 52.

The square root of 273968638 is about 16551.9980062831. The cubic root of 273968638 is about 649.4817470582.

The spelling of 273968638 in words is "two hundred seventy-three million, nine hundred sixty-eight thousand, six hundred thirty-eight".