42470617 has 4 divisors (see below), whose sum is σ = 48537856. Its totient is φ = 36403380.

The previous prime is 42470609. The next prime is 42470633. The reversal of 42470617 is 71607424.

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 a cyclic number.

It is not a de Polignac number, because 42470617 - 2³ = 42470609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42470677) 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, 3033609 + ... + 3033622.

It is an arithmetic number, because the mean of its divisors is an integer number (12134464).

Almost surely, 2^42470617 is an apocalyptic number.

It is an amenable number.

42470617 is a deficient number, since it is larger than the sum of its proper divisors (6067239).

42470617 is an equidigital number, since it uses as much as digits as its factorization.

42470617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067238.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 42470617 is about 6516.9484423310. The cubic root of 42470617 is about 348.8961604357.

The spelling of 42470617 in words is "forty-two million, four hundred seventy thousand, six hundred seventeen".