68193532 has 12 divisors (see below), whose sum is σ = 130187736. Its totient is φ = 30997040.

The previous prime is 68193493. The next prime is 68193577. The reversal of 68193532 is 23539186.

It is a junction number, because it is equal to n+sod(n) for n = 68193491 and 68193500.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 774883 + ... + 774970.

It is an arithmetic number, because the mean of its divisors is an integer number (10848978).

Almost surely, 2^68193532 is an apocalyptic number.

It is an amenable number.

68193532 is a deficient number, since it is larger than the sum of its proper divisors (61994204).

68193532 is a wasteful number, since it uses less digits than its factorization.

68193532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549868 (or 1549866 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 68193532 is about 8257.9375149004. The cubic root of 68193532 is about 408.5523644375.

It can be divided in two parts, 68 and 193532, that added together give a square (193600 = 440²).

The spelling of 68193532 in words is "sixty-eight million, one hundred ninety-three thousand, five hundred thirty-two".