68645528 has 32 divisors (see below), whose sum is σ = 147756960. Its totient is φ = 29287680.

The previous prime is 68645519. The next prime is 68645531. The reversal of 68645528 is 82554686.

It is a congruent number.

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, 10418 + ... + 15678.

It is an arithmetic number, because the mean of its divisors is an integer number (4617405).

Almost surely, 2^68645528 is an apocalyptic number.

It is an amenable number.

68645528 is an abundant number, since it is smaller than the sum of its proper divisors (79111432).

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

68645528 is a wasteful number, since it uses less digits than its factorization.

68645528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5503 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 68645528 is about 8285.2596821102. The cubic root of 68645528 is about 409.4530243294.

The spelling of 68645528 in words is "sixty-eight million, six hundred forty-five thousand, five hundred twenty-eight".