729755870 has 8 divisors (see below), whose sum is σ = 1313560584. Its totient is φ = 291902344.

The previous prime is 729755861. The next prime is 729755879. The reversal of 729755870 is 78557927.

It is an interprime number because it is at equal distance from previous prime (729755861) and next prime (729755879).

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 (729755879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36487784 + ... + 36487803.

It is an arithmetic number, because the mean of its divisors is an integer number (164195073).

Almost surely, 2^729755870 is an apocalyptic number.

729755870 is a deficient number, since it is larger than the sum of its proper divisors (583804714).

729755870 is a wasteful number, since it uses less digits than its factorization.

729755870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72975594.

The product of its (nonzero) digits is 1234800, while the sum is 50.

The square root of 729755870 is about 27013.9939660910. The cubic root of 729755870 is about 900.3109501675.

The spelling of 729755870 in words is "seven hundred twenty-nine million, seven hundred fifty-five thousand, eight hundred seventy".