1792820042 has 8 divisors (see below), whose sum is σ = 2896093956. Its totient is φ = 827455392.

The previous prime is 1792820041. The next prime is 1792820053. The reversal of 1792820042 is 2400282971.

It can be written as a sum of positive squares in 2 ways, for example, as 1654781041 + 138039001 = 40679^2 + 11749^2 .

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 = 1792819984 and 1792820011.

It is not an unprimeable number, because it can be changed into a prime (1792820041) 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, 34477283 + ... + 34477334.

Almost surely, 2^1792820042 is an apocalyptic number.

1792820042 is a deficient number, since it is larger than the sum of its proper divisors (1103273914).

1792820042 is a wasteful number, since it uses less digits than its factorization.

1792820042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68954632.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1792820042 is about 42341.7057048957. The cubic root of 1792820042 is about 1214.8208380622.

The spelling of 1792820042 in words is "one billion, seven hundred ninety-two million, eight hundred twenty thousand, forty-two".