273993678 has 96 divisors (see below), whose sum is σ = 720335616. Its totient is φ = 76422528.

The previous prime is 273993659. The next prime is 273993679. The reversal of 273993678 is 876399372.

273993678 is a `hidden beast` number, since 273 + 9 + 9 + 367 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273993679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145350 + ... + 147222.

It is an arithmetic number, because the mean of its divisors is an integer number (7503496).

Almost surely, 2^273993678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273993678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360167808).

273993678 is an abundant number, since it is smaller than the sum of its proper divisors (446341938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273993678 is a wasteful number, since it uses less digits than its factorization.

273993678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1928 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 273993678 is about 16552.7543931516. The cubic root of 273993678 is about 649.5015334197.

The spelling of 273993678 in words is "two hundred seventy-three million, nine hundred ninety-three thousand, six hundred seventy-eight".