68873532 has 96 divisors (see below), whose sum is σ = 201331200. Its totient is φ = 17839872.

The previous prime is 68873491. The next prime is 68873533. The reversal of 68873532 is 23537886.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68873533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63894 + ... + 64962.

It is an arithmetic number, because the mean of its divisors is an integer number (2097200).

Almost surely, 2^68873532 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 68873532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100665600).

68873532 is an abundant number, since it is smaller than the sum of its proper divisors (132457668).

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

68873532 is a wasteful number, since it uses less digits than its factorization.

68873532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1153 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 68873532 is about 8299.0078925134. The cubic root of 68873532 is about 409.9058518705.

The spelling of 68873532 in words is "sixty-eight million, eight hundred seventy-three thousand, five hundred thirty-two".