68152372 has 24 divisors (see below), whose sum is σ = 124514600. Its totient is φ = 32607360.

The previous prime is 68152351. The next prime is 68152387. The reversal of 68152372 is 27325186.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15792676 + 52359696 = 3974^2 + 7236^2 .

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 5254 + ... + 12802.

Almost surely, 2^68152372 is an apocalyptic number.

It is an amenable number.

68152372 is a deficient number, since it is larger than the sum of its proper divisors (56362228).

68152372 is a wasteful number, since it uses less digits than its factorization.

68152372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651 (or 7649 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 68152372 is about 8255.4449910347. Note that the first 3 decimals coincide. The cubic root of 68152372 is about 408.4701503857.

The spelling of 68152372 in words is "sixty-eight million, one hundred fifty-two thousand, three hundred seventy-two".