1475647642 has 24 divisors (see below), whose sum is σ = 2586439296. Its totient is φ = 629575128.

The previous prime is 1475647637. The next prime is 1475647661. The reversal of 1475647642 is 2467465741.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1475647592 and 1475647601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11908 + ... + 55615.

It is an arithmetic number, because the mean of its divisors is an integer number (107768304).

Almost surely, 2^1475647642 is an apocalyptic number.

1475647642 is a deficient number, since it is larger than the sum of its proper divisors (1110791654).

1475647642 is a wasteful number, since it uses less digits than its factorization.

1475647642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67762 (or 67755 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The square root of 1475647642 is about 38414.1593946815. The cubic root of 1475647642 is about 1138.4856372231.

The spelling of 1475647642 in words is "one billion, four hundred seventy-five million, six hundred forty-seven thousand, six hundred forty-two".