68905150 has 12 divisors (see below), whose sum is σ = 128163672. Its totient is φ = 27562040.

The previous prime is 68905139. The next prime is 68905159. The reversal of 68905150 is 5150986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68905159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689002 + ... + 689101.

It is an arithmetic number, because the mean of its divisors is an integer number (10680306).

Almost surely, 2^68905150 is an apocalyptic number.

68905150 is a deficient number, since it is larger than the sum of its proper divisors (59258522).

68905150 is a wasteful number, since it uses less digits than its factorization.

68905150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378115 (or 1378110 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 68905150 is about 8300.9126004314. The cubic root of 68905150 is about 409.9685678858.

The spelling of 68905150 in words is "sixty-eight million, nine hundred five thousand, one hundred fifty".