68603590 has 16 divisors (see below), whose sum is σ = 134712720. Its totient is φ = 24946720.

The previous prime is 68603573. The next prime is 68603593. The reversal of 68603590 is 9530686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68603593) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 311725 + ... + 311944.

It is an arithmetic number, because the mean of its divisors is an integer number (8419545).

Almost surely, 2^68603590 is an apocalyptic number.

68603590 is a deficient number, since it is larger than the sum of its proper divisors (66109130).

68603590 is a wasteful number, since it uses less digits than its factorization.

68603590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623687.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 68603590 is about 8282.7284152023. The cubic root of 68603590 is about 409.3696241937.

The spelling of 68603590 in words is "sixty-eight million, six hundred three thousand, five hundred ninety".