68513088 has 112 divisors (see below), whose sum is σ = 218155520. Its totient is φ = 18537984.

The previous prime is 68513087. The next prime is 68513089. The reversal of 68513088 is 88031586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68513087) and next prime (68513089).

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68513087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24195 + ... + 26877.

Almost surely, 2^68513088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68513088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109077760).

68513088 is an abundant number, since it is smaller than the sum of its proper divisors (149642432).

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

68513088 is a wasteful number, since it uses less digits than its factorization.

68513088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 68513088 is about 8277.2633158551. The cubic root of 68513088 is about 409.1895312215.

The spelling of 68513088 in words is "sixty-eight million, five hundred thirteen thousand, eighty-eight".