42319417 has 4 divisors (see below), whose sum is σ = 48365056. Its totient is φ = 36273780.

The previous prime is 42319399. The next prime is 42319423. The reversal of 42319417 is 71491324.

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 42319417 - 2¹⁵ = 42286649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42319117) 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, 3022809 + ... + 3022822.

It is an arithmetic number, because the mean of its divisors is an integer number (12091264).

Almost surely, 2^42319417 is an apocalyptic number.

It is an amenable number.

42319417 is a deficient number, since it is larger than the sum of its proper divisors (6045639).

42319417 is an equidigital number, since it uses as much as digits as its factorization.

42319417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045638.

The product of its digits is 6048, while the sum is 31.

The square root of 42319417 is about 6505.3375777126. The cubic root of 42319417 is about 348.4816320743.

The spelling of 42319417 in words is "forty-two million, three hundred nineteen thousand, four hundred seventeen".