747282842 has 16 divisors (see below), whose sum is σ = 1128992040. Its totient is φ = 370958592.

The previous prime is 747282827. The next prime is 747282911. The reversal of 747282842 is 248282747.

It can be written as a sum of positive squares in 4 ways, for example, as 720976201 + 26306641 = 26851^2 + 5129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 747282793 and 747282802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389678 + ... + 391590.

Almost surely, 2^747282842 is an apocalyptic number.

747282842 is a deficient number, since it is larger than the sum of its proper divisors (381709198).

747282842 is a wasteful number, since it uses less digits than its factorization.

747282842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217.

The product of its digits is 401408, while the sum is 44.

The square root of 747282842 is about 27336.4745715317. The cubic root of 747282842 is about 907.4617679001.

The spelling of 747282842 in words is "seven hundred forty-seven million, two hundred eighty-two thousand, eight hundred forty-two".