10279427 has 4 divisors (see below), whose sum is σ = 10633920. Its totient is φ = 9924936.

The previous prime is 10279421. The next prime is 10279447. The reversal of 10279427 is 72497201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10279427 - 2⁶ = 10279363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10279393 and 10279402.

It is not an unprimeable number, because it can be changed into a prime (10279421) 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 3 ways as a sum of consecutive naturals, for example, 177203 + ... + 177260.

It is an arithmetic number, because the mean of its divisors is an integer number (2658480).

Almost surely, 2^10279427 is an apocalyptic number.

10279427 is a deficient number, since it is larger than the sum of its proper divisors (354493).

10279427 is an equidigital number, since it uses as much as digits as its factorization.

10279427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354492.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 10279427 is about 3206.1545502362. The cubic root of 10279427 is about 217.4317538118.

The spelling of 10279427 in words is "ten million, two hundred seventy-nine thousand, four hundred twenty-seven".