273129630 has 16 divisors (see below), whose sum is σ = 655511184. Its totient is φ = 72834560.

The previous prime is 273129613. The next prime is 273129683. The reversal of 273129630 is 36921372.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 273129591 and 273129600.

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, 4552131 + ... + 4552190.

It is an arithmetic number, because the mean of its divisors is an integer number (40969449).

Almost surely, 2^273129630 is an apocalyptic number.

273129630 is an abundant number, since it is smaller than the sum of its proper divisors (382381554).

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

273129630 is a wasteful number, since it uses less digits than its factorization.

273129630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104331.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 273129630 is about 16526.6339585531. The cubic root of 273129630 is about 648.8180730541.

The spelling of 273129630 in words is "two hundred seventy-three million, one hundred twenty-nine thousand, six hundred thirty".