147008729 has 4 divisors (see below), whose sum is σ = 168009984. Its totient is φ = 126007476.

The previous prime is 147008717. The next prime is 147008731. The reversal of 147008729 is 927800741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 147008729 - 2⁴ = 147008713 is a prime.

It is a super-2 number, since 2×147008729² = 43223132804390882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147008692 and 147008701.

It is not an unprimeable number, because it can be changed into a prime (147008749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10500617 + ... + 10500630.

It is an arithmetic number, because the mean of its divisors is an integer number (42002496).

Almost surely, 2^147008729 is an apocalyptic number.

It is an amenable number.

147008729 is a deficient number, since it is larger than the sum of its proper divisors (21001255).

147008729 is an equidigital number, since it uses as much as digits as its factorization.

147008729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21001254.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 147008729 is about 12124.7156255312. The cubic root of 147008729 is about 527.7736549443.

The spelling of 147008729 in words is "one hundred forty-seven million, eight thousand, seven hundred twenty-nine".