906810729 has 32 divisors (see below), whose sum is σ = 1364471808. Its totient is φ = 530712000.

The previous prime is 906810679. The next prime is 906810733. The reversal of 906810729 is 927018609.

906810729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 906810729 - 2⁷ = 906810601 is a prime.

It is a super-2 number, since 2×906810729² = 1644611396459022882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (906810529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829107 + ... + 830199.

It is an arithmetic number, because the mean of its divisors is an integer number (42639744).

Almost surely, 2^906810729 is an apocalyptic number.

It is an amenable number.

906810729 is a deficient number, since it is larger than the sum of its proper divisors (457661079).

906810729 is a wasteful number, since it uses less digits than its factorization.

906810729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 906810729 is about 30113.2982085988. The cubic root of 906810729 is about 967.9187063900.

The spelling of 906810729 in words is "nine hundred six million, eight hundred ten thousand, seven hundred twenty-nine".