807236642 has 8 divisors (see below), whose sum is σ = 1222843932. Its totient is φ = 399622000.

The previous prime is 807236629. The next prime is 807236699. The reversal of 807236642 is 246632708.

It can be written as a sum of positive squares in 2 ways, for example, as 731215681 + 76020961 = 27041^2 + 8719^2 .

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 = 807236596 and 807236605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997909 + ... + 1998312.

Almost surely, 2^807236642 is an apocalyptic number.

807236642 is a deficient number, since it is larger than the sum of its proper divisors (415607290).

807236642 is a wasteful number, since it uses less digits than its factorization.

807236642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996324.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 807236642 is about 28411.9102138522. The cubic root of 807236642 is about 931.1084951606.

The spelling of 807236642 in words is "eight hundred seven million, two hundred thirty-six thousand, six hundred forty-two".