68711552 has 128 divisors (see below), whose sum is σ = 178899840. Its totient is φ = 25509888.

The previous prime is 68711519. The next prime is 68711561. The reversal of 68711552 is 25511786.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197843 + ... + 198189.

It is an arithmetic number, because the mean of its divisors is an integer number (1397655).

Almost surely, 2^68711552 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 68711552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89449920).

68711552 is an abundant number, since it is smaller than the sum of its proper divisors (110188288).

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

68711552 is a wasteful number, since it uses less digits than its factorization.

68711552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 386 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 68711552 is about 8289.2431500107. The cubic root of 68711552 is about 409.5842543589.

The spelling of 68711552 in words is "sixty-eight million, seven hundred eleven thousand, five hundred fifty-two".