427642003 has 8 divisors (see below), whose sum is σ = 431763696. Its totient is φ = 423540000.

The previous prime is 427641961. The next prime is 427642027. The reversal of 427642003 is 300246724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-427642003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427642403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40725 + ... + 50137.

It is an arithmetic number, because the mean of its divisors is an integer number (53970462).

Almost surely, 2^427642003 is an apocalyptic number.

427642003 is a deficient number, since it is larger than the sum of its proper divisors (4121693).

427642003 is a wasteful number, since it uses less digits than its factorization.

427642003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 427642003 is about 20679.5068364794. The cubic root of 427642003 is about 753.4020281985.

Adding to 427642003 its reverse (300246724), we get a palindrome (727888727).

The spelling of 427642003 in words is "four hundred twenty-seven million, six hundred forty-two thousand, three".