68626940 has 48 divisors (see below), whose sum is σ = 151357248. Its totient is φ = 26087424.

The previous prime is 68626937. The next prime is 68626951. The reversal of 68626940 is 4962686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88394 + ... + 89166.

It is an arithmetic number, because the mean of its divisors is an integer number (3153276).

Almost surely, 2^68626940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68626940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75678624).

68626940 is an abundant number, since it is smaller than the sum of its proper divisors (82730308).

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

68626940 is a wasteful number, since it uses less digits than its factorization.

68626940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 68626940 is about 8284.1378549611. The cubic root of 68626940 is about 409.4160634372.

The spelling of 68626940 in words is "sixty-eight million, six hundred twenty-six thousand, nine hundred forty".