42320706 has 8 divisors (see below), whose sum is σ = 84641424. Its totient is φ = 14106900.

The previous prime is 42320699. The next prime is 42320737. The reversal of 42320706 is 60702324.

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

42320706 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526720 + ... + 3526731.

It is an arithmetic number, because the mean of its divisors is an integer number (10580178).

Almost surely, 2^42320706 is an apocalyptic number.

42320706 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.

42320706 is a wasteful number, since it uses less digits than its factorization.

42320706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053456.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 42320706 is about 6505.4366494494. The cubic root of 42320706 is about 348.4851701528.

The spelling of 42320706 in words is "forty-two million, three hundred twenty thousand, seven hundred six".