798390074 has 16 divisors (see below), whose sum is σ = 1270290600. Its totient is φ = 375043584.

The previous prime is 798390067. The next prime is 798390077. The reversal of 798390074 is 470093897.

It can be written as a sum of positive squares in 4 ways, for example, as 406627225 + 391762849 = 20165^2 + 19793^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (798390077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289 + ... + 39980.

Almost surely, 2^798390074 is an apocalyptic number.

798390074 is a deficient number, since it is larger than the sum of its proper divisors (471900526).

798390074 is a wasteful number, since it uses less digits than its factorization.

798390074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41857.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 798390074 is about 28255.7971750931. The cubic root of 798390074 is about 927.6946306555.

The spelling of 798390074 in words is "seven hundred ninety-eight million, three hundred ninety thousand, seventy-four".