68755432 has 8 divisors (see below), whose sum is σ = 128916450. Its totient is φ = 34377712.

The previous prime is 68755417. The next prime is 68755439. The reversal of 68755432 is 23455786.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 14791716 = 7346^2 + 3846^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68755439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4297207 + ... + 4297222.

Almost surely, 2^68755432 is an apocalyptic number.

It is an amenable number.

68755432 is a deficient number, since it is larger than the sum of its proper divisors (60161018).

68755432 is a wasteful number, since it uses less digits than its factorization.

68755432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594435 (or 8594431 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 68755432 is about 8291.8895313433. The cubic root of 68755432 is about 409.6714242359.

The spelling of 68755432 in words is "sixty-eight million, seven hundred fifty-five thousand, four hundred thirty-two".