68935584 has 48 divisors (see below), whose sum is σ = 181433952. Its totient is φ = 22917888.

The previous prime is 68935583. The next prime is 68935589. The reversal of 68935584 is 48553986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×68935584² = 9504229482842112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (68935583) 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, 49522 + ... + 50894.

It is an arithmetic number, because the mean of its divisors is an integer number (3779874).

Almost surely, 2^68935584 is an apocalyptic number.

It is an amenable number.

68935584 is an abundant number, since it is smaller than the sum of its proper divisors (112498368).

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

68935584 is a wasteful number, since it uses less digits than its factorization.

68935584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1901 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 68935584 is about 8302.7455699907. The cubic root of 68935584 is about 410.0289172545.

The spelling of 68935584 in words is "sixty-eight million, nine hundred thirty-five thousand, five hundred eighty-four".