68990583 has 8 divisors (see below), whose sum is σ = 92153088. Its totient is φ = 45910904.

The previous prime is 68990567. The next prime is 68990587. The reversal of 68990583 is 38509986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68990583 - 2⁴ = 68990567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68990587) 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, 18735 + ... + 22112.

It is an arithmetic number, because the mean of its divisors is an integer number (11519136).

Almost surely, 2^68990583 is an apocalyptic number.

68990583 is a deficient number, since it is larger than the sum of its proper divisors (23162505).

68990583 is a wasteful number, since it uses less digits than its factorization.

68990583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41413.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 68990583 is about 8306.0570067873. The cubic root of 68990583 is about 410.1379329685.

The spelling of 68990583 in words is "sixty-eight million, nine hundred ninety thousand, five hundred eighty-three".