42472017 has 12 divisors (see below), whose sum is σ = 70112640. Its totient is φ = 24269688.

The previous prime is 42472009. The next prime is 42472021. The reversal of 42472017 is 71027424.

It is a happy number.

It is not a de Polignac number, because 42472017 - 2³ = 42472009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42474017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337017 + ... + 337142.

It is an arithmetic number, because the mean of its divisors is an integer number (5842720).

Almost surely, 2^42472017 is an apocalyptic number.

It is an amenable number.

42472017 is a deficient number, since it is larger than the sum of its proper divisors (27640623).

42472017 is a wasteful number, since it uses less digits than its factorization.

42472017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674172 (or 674169 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 42472017 is about 6517.0558536812. The cubic root of 42472017 is about 348.8999940607.

The spelling of 42472017 in words is "forty-two million, four hundred seventy-two thousand, seventeen".