10000427 has 4 divisors (see below), whose sum is σ = 10006896. Its totient is φ = 9993960.

The previous prime is 10000379. The next prime is 10000439. The reversal of 10000427 is 72400001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72400001 = 7867 ⋅9203.

It is a cyclic number.

It is not a de Polignac number, because 10000427 - 2⁶ = 10000363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000457) 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, 602 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (2501724).

Almost surely, 2^10000427 is an apocalyptic number.

10000427 is a deficient number, since it is larger than the sum of its proper divisors (6469).

10000427 is an equidigital number, since it uses as much as digits as its factorization.

10000427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 10000427 is about 3162.3451740757. The cubic root of 10000427 is about 215.4465354383.

Adding to 10000427 its reverse (72400001), we get a palindrome (82400428).

The spelling of 10000427 in words is "ten million, four hundred twenty-seven", and thus it is an aban number.