68231028 has 24 divisors (see below), whose sum is σ = 162594432. Its totient is φ = 22259584.

The previous prime is 68231003. The next prime is 68231029. The reversal of 68231028 is 82013286.

It is a junction number, because it is equal to n+sod(n) for n = 68230986 and 68231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68231029) 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, 59925 + ... + 61052.

It is an arithmetic number, because the mean of its divisors is an integer number (6774768).

Almost surely, 2^68231028 is an apocalyptic number.

It is an amenable number.

68231028 is an abundant number, since it is smaller than the sum of its proper divisors (94363404).

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

68231028 is a wasteful number, since it uses less digits than its factorization.

68231028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121031 (or 121029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 68231028 is about 8260.2075034469. The cubic root of 68231028 is about 408.6272311301.

The spelling of 68231028 in words is "sixty-eight million, two hundred thirty-one thousand, twenty-eight".