68038532 has 6 divisors (see below), whose sum is σ = 119067438. Its totient is φ = 34019264.

The previous prime is 68038507. The next prime is 68038541. The reversal of 68038532 is 23583086.

It can be written as a sum of positive squares in only one way, i.e., 36409156 + 31629376 = 6034^2 + 5624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68038492 and 68038501.

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 as a sum of consecutive naturals, namely, 8504813 + ... + 8504820.

It is an arithmetic number, because the mean of its divisors is an integer number (19844573).

Almost surely, 2^68038532 is an apocalyptic number.

It is an amenable number.

68038532 is a deficient number, since it is larger than the sum of its proper divisors (51028906).

68038532 is a wasteful number, since it uses less digits than its factorization.

68038532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17009637 (or 17009635 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 68038532 is about 8248.5472660342. The cubic root of 68038532 is about 408.2425908963.

The spelling of 68038532 in words is "sixty-eight million, thirty-eight thousand, five hundred thirty-two".