42690326 has 8 divisors (see below), whose sum is σ = 73183440. Its totient is φ = 18295848.

The previous prime is 42690311. The next prime is 42690343. The reversal of 42690326 is 62309624.

42690326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 42690292 and 42690301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524641 + ... + 1524668.

It is an arithmetic number, because the mean of its divisors is an integer number (9147930).

Almost surely, 2^42690326 is an apocalyptic number.

42690326 is a deficient number, since it is larger than the sum of its proper divisors (30493114).

42690326 is a wasteful number, since it uses less digits than its factorization.

42690326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049318.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 42690326 is about 6533.7834368764. The cubic root of 42690326 is about 349.4967624954.

The spelling of 42690326 in words is "forty-two million, six hundred ninety thousand, three hundred twenty-six".