68805582 has 16 divisors (see below), whose sum is σ = 138149712. Its totient is φ = 22845440.

The previous prime is 68805577. The next prime is 68805617. The reversal of 68805582 is 28550886.

It is a super-2 number, since 2×68805582² = 9468416228717448, which contains 22 as substring.

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, 20769 + ... + 23852.

It is an arithmetic number, because the mean of its divisors is an integer number (8634357).

Almost surely, 2^68805582 is an apocalyptic number.

68805582 is an abundant number, since it is smaller than the sum of its proper divisors (69344130).

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

68805582 is a wasteful number, since it uses less digits than its factorization.

68805582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44883.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 68805582 is about 8294.9130194355. The cubic root of 68805582 is about 409.7710043864.

The spelling of 68805582 in words is "sixty-eight million, eight hundred five thousand, five hundred eighty-two".