10427709 has 4 divisors (see below), whose sum is σ = 13903616. Its totient is φ = 6951804.

The previous prime is 10427689. The next prime is 10427723. The reversal of 10427709 is 90772401.

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 10427709 - 2⁷ = 10427581 is a prime.

It is a super-2 number, since 2×10427709² = 217474229977362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10427759) 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, 1737949 + ... + 1737954.

It is an arithmetic number, because the mean of its divisors is an integer number (3475904).

Almost surely, 2^10427709 is an apocalyptic number.

It is an amenable number.

10427709 is a deficient number, since it is larger than the sum of its proper divisors (3475907).

10427709 is an equidigital number, since it uses as much as digits as its factorization.

10427709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475906.

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

The square root of 10427709 is about 3229.1963396486. The cubic root of 10427709 is about 218.4722598649.

The spelling of 10427709 in words is "ten million, four hundred twenty-seven thousand, seven hundred nine".