729082550 has 48 divisors (see below), whose sum is σ = 1558909152. Its totient is φ = 248505600.

The previous prime is 729082531. The next prime is 729082603. The reversal of 729082550 is 55280927.

It is a super-2 number, since 2×729082550² = 1063122729429005000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54530 + ... + 66570.

It is an arithmetic number, because the mean of its divisors is an integer number (32477274).

Almost surely, 2^729082550 is an apocalyptic number.

729082550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

729082550 is an abundant number, since it is smaller than the sum of its proper divisors (829826602).

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

729082550 is a wasteful number, since it uses less digits than its factorization.

729082550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12233 (or 12228 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 729082550 is about 27001.5286604296. The cubic root of 729082550 is about 900.0339699112.

The spelling of 729082550 in words is "seven hundred twenty-nine million, eighty-two thousand, five hundred fifty".