747375642 has 24 divisors (see below), whose sum is σ = 1743877044. Its totient is φ = 229961664.

The previous prime is 747375589. The next prime is 747375649. The reversal of 747375642 is 246573747.

It can be written as a sum of positive squares in 2 ways, for example, as 733380561 + 13995081 = 27081^2 + 3741^2 .

It is not an unprimeable number, because it can be changed into a prime (747375649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1596723 + ... + 1597190.

Almost surely, 2^747375642 is an apocalyptic number.

747375642 is an abundant number, since it is smaller than the sum of its proper divisors (996501402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747375642 is a wasteful number, since it uses less digits than its factorization.

747375642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193934 (or 3193931 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 747375642 is about 27338.1718847475. The cubic root of 747375642 is about 907.4993301910.

The spelling of 747375642 in words is "seven hundred forty-seven million, three hundred seventy-five thousand, six hundred forty-two".