42192726 has 8 divisors (see below), whose sum is σ = 84385464. Its totient is φ = 14064240.

The previous prime is 42192721. The next prime is 42192739. The reversal of 42192726 is 62729124.

It is a sphenic number, since it is the product of 3 distinct primes.

42192726 is an admirable number.

It is a super-2 number, since 2×42192726² = 3560452254622152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42192721) 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, 3516055 + ... + 3516066.

It is an arithmetic number, because the mean of its divisors is an integer number (10548183).

Almost surely, 2^42192726 is an apocalyptic number.

42192726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42192726 is a wasteful number, since it uses less digits than its factorization.

42192726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032126.

The product of its digits is 12096, while the sum is 33.

The square root of 42192726 is about 6495.5928135929. The cubic root of 42192726 is about 348.1335364123.

The spelling of 42192726 in words is "forty-two million, one hundred ninety-two thousand, seven hundred twenty-six".