68409950 has 24 divisors (see below), whose sum is σ = 145420752. Its totient is φ = 23454720.

The previous prime is 68409949. The next prime is 68409953. The reversal of 68409950 is 5990486.

It is a junction number, because it is equal to n+sod(n) for n = 68409898 and 68409907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68409953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97379 + ... + 98078.

It is an arithmetic number, because the mean of its divisors is an integer number (6059198).

Almost surely, 2^68409950 is an apocalyptic number.

68409950 is an abundant number, since it is smaller than the sum of its proper divisors (77010802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68409950 is a wasteful number, since it uses less digits than its factorization.

68409950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195476 (or 195471 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 68409950 is about 8271.0307701036. The cubic root of 68409950 is about 408.9840999871.

The spelling of 68409950 in words is "sixty-eight million, four hundred nine thousand, nine hundred fifty".