42726329 has 8 divisors (see below), whose sum is σ = 43146432. Its totient is φ = 42308560.

The previous prime is 42726311. The next prime is 42726353. The reversal of 42726329 is 92362724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42726329 - 2¹² = 42722233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42726529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84692 + ... + 85194.

It is an arithmetic number, because the mean of its divisors is an integer number (5393304).

Almost surely, 2^42726329 is an apocalyptic number.

It is an amenable number.

42726329 is a deficient number, since it is larger than the sum of its proper divisors (420103).

42726329 is a wasteful number, since it uses less digits than its factorization.

42726329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 36288, while the sum is 35.

The square root of 42726329 is about 6536.5379980537. The cubic root of 42726329 is about 349.5949845634.

It can be divided in two parts, 4272 and 6329, that added together give a palindrome (10601).

The spelling of 42726329 in words is "forty-two million, seven hundred twenty-six thousand, three hundred twenty-nine".