427142573 has 16 divisors (see below), whose sum is σ = 505503936. Its totient is φ = 355808640.

The previous prime is 427142567. The next prime is 427142579. The reversal of 427142573 is 375241724.

It is an interprime number because it is at equal distance from previous prime (427142567) and next prime (427142579).

It is not a de Polignac number, because 427142573 - 2²² = 422948269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427142579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8690 + ... + 30492.

It is an arithmetic number, because the mean of its divisors is an integer number (31593996).

Almost surely, 2^427142573 is an apocalyptic number.

It is an amenable number.

427142573 is a deficient number, since it is larger than the sum of its proper divisors (78361363).

427142573 is a wasteful number, since it uses less digits than its factorization.

427142573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21964.

The product of its digits is 47040, while the sum is 35.

The square root of 427142573 is about 20667.4278273809. The cubic root of 427142573 is about 753.1086222295.

The spelling of 427142573 in words is "four hundred twenty-seven million, one hundred forty-two thousand, five hundred seventy-three".