273490830 has 80 divisors (see below), whose sum is σ = 742889664. Its totient is φ = 72187200.

The previous prime is 273490829. The next prime is 273490871. The reversal of 273490830 is 38094372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80139 + ... + 83481.

Almost surely, 2^273490830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273490830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371444832).

273490830 is an abundant number, since it is smaller than the sum of its proper divisors (469398834).

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

273490830 is a wasteful number, since it uses less digits than its factorization.

273490830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 273490830 is about 16537.5581631630. The cubic root of 273490830 is about 649.1039566681.

The spelling of 273490830 in words is "two hundred seventy-three million, four hundred ninety thousand, eight hundred thirty".