790436642 has 4 divisors (see below), whose sum is σ = 1185654966. Its totient is φ = 395218320.

The previous prime is 790436623. The next prime is 790436659. The reversal of 790436642 is 246634097.

790436642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246634097 = 1013 ⋅243469.

It can be written as a sum of positive squares in only one way, i.e., 786746401 + 3690241 = 28049^2 + 1921^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 790436642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197609159 + ... + 197609162.

Almost surely, 2^790436642 is an apocalyptic number.

790436642 is a deficient number, since it is larger than the sum of its proper divisors (395218324).

790436642 is a wasteful number, since it uses less digits than its factorization.

790436642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395218323.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 790436642 is about 28114.7050847061. The cubic root of 790436642 is about 924.6038301532.

The spelling of 790436642 in words is "seven hundred ninety million, four hundred thirty-six thousand, six hundred forty-two".