68626780 has 24 divisors (see below), whose sum is σ = 144598608. Its totient is φ = 27358848.

The previous prime is 68626759. The next prime is 68626783. The reversal of 68626780 is 8762686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68626783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552 + ... + 11728.

It is an arithmetic number, because the mean of its divisors is an integer number (6024942).

Almost surely, 2^68626780 is an apocalyptic number.

It is an amenable number.

68626780 is an abundant number, since it is smaller than the sum of its proper divisors (75971828).

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

68626780 is a wasteful number, since it uses less digits than its factorization.

68626780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493 (or 11491 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 68626780 is about 8284.1281979458. The cubic root of 68626780 is about 409.4157452598.

The spelling of 68626780 in words is "sixty-eight million, six hundred twenty-six thousand, seven hundred eighty".