68879620 has 24 divisors (see below), whose sum is σ = 144897984. Its totient is φ = 27504096.

The previous prime is 68879567. The next prime is 68879633. The reversal of 68879620 is 2697886.

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, 10279 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (6037416).

Almost surely, 2^68879620 is an apocalyptic number.

It is an amenable number.

68879620 is an abundant number, since it is smaller than the sum of its proper divisors (76018364).

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

68879620 is a wasteful number, since it uses less digits than its factorization.

68879620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979 (or 5977 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 68879620 is about 8299.3746752391. The cubic root of 68879620 is about 409.9179292400.

It can be divided in two parts, 688 and 79620, that added together give a palindrome (80308).

The spelling of 68879620 in words is "sixty-eight million, eight hundred seventy-nine thousand, six hundred twenty".