10272729 has 4 divisors (see below), whose sum is σ = 13696976. Its totient is φ = 6848484.

The previous prime is 10272719. The next prime is 10272733. The reversal of 10272729 is 92727201.

It is a happy number.

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 10272729 - 2⁸ = 10272473 is a prime.

It is a super-2 number, since 2×10272729² = 211057922214882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10272696 and 10272705.

It is not an unprimeable number, because it can be changed into a prime (10272719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712119 + ... + 1712124.

It is an arithmetic number, because the mean of its divisors is an integer number (3424244).

Almost surely, 2^10272729 is an apocalyptic number.

It is an amenable number.

10272729 is a deficient number, since it is larger than the sum of its proper divisors (3424247).

10272729 is an equidigital number, since it uses as much as digits as its factorization.

10272729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424246.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 10272729 is about 3205.1098265114. The cubic root of 10272729 is about 217.3845179000.

The spelling of 10272729 in words is "ten million, two hundred seventy-two thousand, seven hundred twenty-nine".