68551900 has 18 divisors (see below), whose sum is σ = 148757840. Its totient is φ = 27420720.

The previous prime is 68551883. The next prime is 68551909. The reversal of 68551900 is 915586.

It is a super-2 number, since 2×68551900² = 9398725987220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68551909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342660 + ... + 342859.

Almost surely, 2^68551900 is an apocalyptic number.

It is an amenable number.

68551900 is an abundant number, since it is smaller than the sum of its proper divisors (80205940).

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

68551900 is a wasteful number, since it uses less digits than its factorization.

68551900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685533 (or 685526 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 68551900 is about 8279.6074786188. The cubic root of 68551900 is about 409.2667839363.

The spelling of 68551900 in words is "sixty-eight million, five hundred fifty-one thousand, nine hundred".