42719726 has 32 divisors (see below), whose sum is σ = 77552640. Its totient is φ = 17258976.

The previous prime is 42719723. The next prime is 42719731. The reversal of 42719726 is 62791724.

It is a self number, because there is not a number n which added to its sum of digits gives 42719726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719723) 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, 16235 + ... + 18681.

It is an arithmetic number, because the mean of its divisors is an integer number (2423520).

Almost surely, 2^42719726 is an apocalyptic number.

42719726 is a deficient number, since it is larger than the sum of its proper divisors (34832914).

42719726 is a wasteful number, since it uses less digits than its factorization.

42719726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its digits is 42336, while the sum is 38.

The square root of 42719726 is about 6536.0328946541. The cubic root of 42719726 is about 349.5769746332.

The spelling of 42719726 in words is "forty-two million, seven hundred nineteen thousand, seven hundred twenty-six".