68703620 has 24 divisors (see below), whose sum is σ = 151872000. Its totient is φ = 26034912.

The previous prime is 68703619. The next prime is 68703643. The reversal of 68703620 is 2630786.

It is a super-2 number, since 2×68703620² = 9440374802208800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90020 + ... + 90779.

It is an arithmetic number, because the mean of its divisors is an integer number (6328000).

Almost surely, 2^68703620 is an apocalyptic number.

It is an amenable number.

68703620 is an abundant number, since it is smaller than the sum of its proper divisors (83168380).

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

68703620 is a wasteful number, since it uses less digits than its factorization.

68703620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180827 (or 180825 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 68703620 is about 8288.7646848007. The cubic root of 68703620 is about 409.5684930726.

The spelling of 68703620 in words is "sixty-eight million, seven hundred three thousand, six hundred twenty".