42719013 has 12 divisors (see below), whose sum is σ = 62487360. Its totient is φ = 28118376.

The previous prime is 42719003. The next prime is 42719029. The reversal of 42719013 is 31091724.

It is not a de Polignac number, because 42719013 - 2⁴ = 42718997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719003) 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, 29331 + ... + 30752.

It is an arithmetic number, because the mean of its divisors is an integer number (5207280).

Almost surely, 2^42719013 is an apocalyptic number.

It is an amenable number.

42719013 is a deficient number, since it is larger than the sum of its proper divisors (19768347).

42719013 is a wasteful number, since it uses less digits than its factorization.

42719013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60168 (or 60165 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 42719013 is about 6535.9783506373. The cubic root of 42719013 is about 349.5750297880.

The spelling of 42719013 in words is "forty-two million, seven hundred nineteen thousand, thirteen".