68072150 has 12 divisors (see below), whose sum is σ = 126614292. Its totient is φ = 27228840.

The previous prime is 68072143. The next prime is 68072153. The reversal of 68072150 is 5127086.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68072153) 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 in 5 ways as a sum of consecutive naturals, for example, 680672 + ... + 680771.

It is an arithmetic number, because the mean of its divisors is an integer number (10551191).

Almost surely, 2^68072150 is an apocalyptic number.

68072150 is a deficient number, since it is larger than the sum of its proper divisors (58542142).

68072150 is a wasteful number, since it uses less digits than its factorization.

68072150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361455 (or 1361450 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 68072150 is about 8250.5848277562. The cubic root of 68072150 is about 408.3098177027.

The spelling of 68072150 in words is "sixty-eight million, seventy-two thousand, one hundred fifty".