42822793 has 8 divisors (see below), whose sum is σ = 46873736. Its totient is φ = 38880000.

The previous prime is 42822761. The next prime is 42822799. The reversal of 42822793 is 39722824.

It can be written as a sum of positive squares in 4 ways, for example, as 2715904 + 40106889 = 1648^2 + 6333^2 .

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 42822793 - 2⁵ = 42822761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42822799) 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, 26208 + ... + 27793.

It is an arithmetic number, because the mean of its divisors is an integer number (5859217).

Almost surely, 2^42822793 is an apocalyptic number.

It is an amenable number.

42822793 is a deficient number, since it is larger than the sum of its proper divisors (4050943).

42822793 is a wasteful number, since it uses less digits than its factorization.

42822793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54075.

The product of its digits is 48384, while the sum is 37.

The square root of 42822793 is about 6543.9126675102. The cubic root of 42822793 is about 349.8578824370.

The spelling of 42822793 in words is "forty-two million, eight hundred twenty-two thousand, seven hundred ninety-three".