68152736 has 12 divisors (see below), whose sum is σ = 134175762. Its totient is φ = 34076352.

The previous prime is 68152723. The next prime is 68152759. The reversal of 68152736 is 63725186.

It can be written as a sum of positive squares in only one way, i.e., 44142736 + 24010000 = 6644^2 + 4900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68152736.

It is an unprimeable number.

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, 1064855 + ... + 1064918.

Almost surely, 2^68152736 is an apocalyptic number.

It is an amenable number.

68152736 is a deficient number, since it is larger than the sum of its proper divisors (66023026).

68152736 is a wasteful number, since it uses less digits than its factorization.

68152736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129783 (or 2129775 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 68152736 is about 8255.4670370610. The cubic root of 68152736 is about 408.4708775938.

The spelling of 68152736 in words is "sixty-eight million, one hundred fifty-two thousand, seven hundred thirty-six".