729120675 has 12 divisors (see below), whose sum is σ = 1205479640. Its totient is φ = 388864320.

The previous prime is 729120673. The next prime is 729120683. The reversal of 729120675 is 576021927.

It is not a de Polignac number, because 729120675 - 2¹ = 729120673 is a prime.

It is a super-3 number, since 3×729120675³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (729120673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4860730 + ... + 4860879.

Almost surely, 2^729120675 is an apocalyptic number.

729120675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

729120675 is a deficient number, since it is larger than the sum of its proper divisors (476358965).

729120675 is a wasteful number, since it uses less digits than its factorization.

729120675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721622 (or 9721617 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 729120675 is about 27002.2346297487. The cubic root of 729120675 is about 900.0496577539.

It can be divided in two parts, 7291 and 20675, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 729120675 in words is "seven hundred twenty-nine million, one hundred twenty thousand, six hundred seventy-five".