7152729 has 8 divisors (see below), whose sum is σ = 9794880. Its totient is φ = 4639536.

The previous prime is 7152703. The next prime is 7152751. The reversal of 7152729 is 9272517.

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

It is not a de Polignac number, because 7152729 - 2⁵ = 7152697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7152729.

It is not an unprimeable number, because it can be changed into a prime (7152779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32109 + ... + 32330.

It is an arithmetic number, because the mean of its divisors is an integer number (1224360).

Almost surely, 2^7152729 is an apocalyptic number.

It is an amenable number.

7152729 is a deficient number, since it is larger than the sum of its proper divisors (2642151).

7152729 is a wasteful number, since it uses less digits than its factorization.

7152729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64479.

The product of its digits is 8820, while the sum is 33.

The square root of 7152729 is about 2674.4586368086. The cubic root of 7152729 is about 192.6743593682.

The spelling of 7152729 in words is "seven million, one hundred fifty-two thousand, seven hundred twenty-nine".