642060703532 has 24 divisors (see below), whose sum is σ = 1125291526800. Its totient is φ = 320549201856.

The previous prime is 642060703517. The next prime is 642060703573. The reversal of 642060703532 is 235307060246.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7246394 + ... + 7334462.

It is an arithmetic number, because the mean of its divisors is an integer number (46887146950).

Almost surely, 2^642060703532 is an apocalyptic number.

It is an amenable number.

642060703532 is a deficient number, since it is larger than the sum of its proper divisors (483230823268).

642060703532 is a wasteful number, since it uses less digits than its factorization.

642060703532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90785 (or 90783 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 642060703532 its reverse (235307060246), we get a palindrome (877367763778).

The spelling of 642060703532 in words is "six hundred forty-two billion, sixty million, seven hundred three thousand, five hundred thirty-two".