42722786 has 8 divisors (see below), whose sum is σ = 64372224. Its totient is φ = 21265380.

The previous prime is 42722783. The next prime is 42722807. The reversal of 42722786 is 68722724.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (42722783) 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, 47450 + ... + 48341.

It is an arithmetic number, because the mean of its divisors is an integer number (8046528).

Almost surely, 2^42722786 is an apocalyptic number.

42722786 is a deficient number, since it is larger than the sum of its proper divisors (21649438).

42722786 is a wasteful number, since it uses less digits than its factorization.

42722786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96016.

The product of its digits is 75264, while the sum is 38.

The square root of 42722786 is about 6536.2669774115. The cubic root of 42722786 is about 349.5853211287.

The spelling of 42722786 in words is "forty-two million, seven hundred twenty-two thousand, seven hundred eighty-six".