68033512 has 8 divisors (see below), whose sum is σ = 127562850. Its totient is φ = 34016752.

The previous prime is 68033479. The next prime is 68033521. The reversal of 68033512 is 21533086.

It can be written as a sum of positive squares in only one way, i.e., 45887076 + 22146436 = 6774^2 + 4706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252087 + ... + 4252102.

Almost surely, 2^68033512 is an apocalyptic number.

It is an amenable number.

68033512 is a deficient number, since it is larger than the sum of its proper divisors (59529338).

68033512 is a wasteful number, since it uses less digits than its factorization.

68033512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504195 (or 8504191 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 68033512 is about 8248.2429644137. The cubic root of 68033512 is about 408.2325503691.

Adding to 68033512 its reverse (21533086), we get a palindrome (89566598).

The spelling of 68033512 in words is "sixty-eight million, thirty-three thousand, five hundred twelve".