68951950 has 48 divisors (see below), whose sum is σ = 136085040. Its totient is φ = 25920000.

The previous prime is 68951941. The next prime is 68951951. The reversal of 68951950 is 5915986.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68951897 and 68951906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68951951) 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 23 ways as a sum of consecutive naturals, for example, 171750 + ... + 172150.

It is an arithmetic number, because the mean of its divisors is an integer number (2835105).

Almost surely, 2^68951950 is an apocalyptic number.

68951950 is a deficient number, since it is larger than the sum of its proper divisors (67133090).

68951950 is a wasteful number, since it uses less digits than its factorization.

68951950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 68951950 is about 8303.7310890948. The cubic root of 68951950 is about 410.0613630147.

The spelling of 68951950 in words is "sixty-eight million, nine hundred fifty-one thousand, nine hundred fifty".