68088590 has 32 divisors (see below), whose sum is σ = 129669120. Its totient is φ = 25670304.

The previous prime is 68088583. The next prime is 68088611. The reversal of 68088590 is 9588086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41567 + ... + 43173.

It is an arithmetic number, because the mean of its divisors is an integer number (4052160).

Almost surely, 2^68088590 is an apocalyptic number.

68088590 is a deficient number, since it is larger than the sum of its proper divisors (61580530).

68088590 is a wasteful number, since it uses less digits than its factorization.

68088590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 68088590 is about 8251.5810606210. The cubic root of 68088590 is about 408.3426851484.

The spelling of 68088590 in words is "sixty-eight million, eighty-eight thousand, five hundred ninety".