68936452 has 18 divisors (see below), whose sum is σ = 130633818. Its totient is φ = 31816512.

The previous prime is 68936447. The next prime is 68936471. The reversal of 68936452 is 25463986.

It can be written as a sum of positive squares in 3 ways, for example, as 3261636 + 65674816 = 1806^2 + 8104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68936399 and 68936408.

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 5 ways as a sum of consecutive naturals, for example, 50313 + ... + 51664.

Almost surely, 2^68936452 is an apocalyptic number.

It is an amenable number.

68936452 is a deficient number, since it is larger than the sum of its proper divisors (61697366).

68936452 is a wasteful number, since it uses less digits than its factorization.

68936452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102007 (or 101992 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 68936452 is about 8302.7978416917. The cubic root of 68936452 is about 410.0306382022.

The spelling of 68936452 in words is "sixty-eight million, nine hundred thirty-six thousand, four hundred fifty-two".