273438742 has 8 divisors (see below), whose sum is σ = 411321096. Its totient is φ = 136331712.

The previous prime is 273438731. The next prime is 273438749. The reversal of 273438742 is 247834372.

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

It is a junction number, because it is equal to n+sod(n) for n = 273438695 and 273438704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273438749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192948 + ... + 194359.

It is an arithmetic number, because the mean of its divisors is an integer number (51415137).

Almost surely, 2^273438742 is an apocalyptic number.

273438742 is a deficient number, since it is larger than the sum of its proper divisors (137882354).

273438742 is a wasteful number, since it uses less digits than its factorization.

273438742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387662.

The product of its digits is 225792, while the sum is 40.

The square root of 273438742 is about 16535.9832486611. The cubic root of 273438742 is about 649.0627454465.

The spelling of 273438742 in words is "two hundred seventy-three million, four hundred thirty-eight thousand, seven hundred forty-two".