729727270 has 8 divisors (see below), whose sum is σ = 1313509104. Its totient is φ = 291890904.

The previous prime is 729727223. The next prime is 729727277. The reversal of 729727270 is 72727927.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729727277) 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, 36486354 + ... + 36486373.

It is an arithmetic number, because the mean of its divisors is an integer number (164188638).

Almost surely, 2^729727270 is an apocalyptic number.

729727270 is a deficient number, since it is larger than the sum of its proper divisors (583781834).

729727270 is a wasteful number, since it uses less digits than its factorization.

729727270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72972734.

The product of its (nonzero) digits is 172872, while the sum is 43.

The square root of 729727270 is about 27013.4646056369. The cubic root of 729727270 is about 900.2991885950.

The spelling of 729727270 in words is "seven hundred twenty-nine million, seven hundred twenty-seven thousand, two hundred seventy".