642583372 has 6 divisors (see below), whose sum is σ = 1124520908. Its totient is φ = 321291684.

The previous prime is 642583367. The next prime is 642583379. The reversal of 642583372 is 273385246.

It is not an unprimeable number, because it can be changed into a prime (642583379) by changing a digit.

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 as a sum of consecutive naturals, namely, 80322918 + ... + 80322925.

Almost surely, 2^642583372 is an apocalyptic number.

It is an amenable number.

642583372 is a deficient number, since it is larger than the sum of its proper divisors (481937536).

642583372 is a wasteful number, since it uses less digits than its factorization.

642583372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160645847 (or 160645845 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 642583372 is about 25349.2282328279. The cubic root of 642583372 is about 862.9318414940.

The spelling of 642583372 in words is "six hundred forty-two million, five hundred eighty-three thousand, three hundred seventy-two".