68747532 has 48 divisors (see below), whose sum is σ = 184488192. Its totient is φ = 19517760.

The previous prime is 68747527. The next prime is 68747533. The reversal of 68747532 is 23574786.

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

It is not an unprimeable number, because it can be changed into a prime (68747533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11182 + ... + 16202.

It is an arithmetic number, because the mean of its divisors is an integer number (3843504).

Almost surely, 2^68747532 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 68747532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92244096).

68747532 is an abundant number, since it is smaller than the sum of its proper divisors (115740660).

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

68747532 is a wasteful number, since it uses less digits than its factorization.

68747532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198 (or 5196 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 68747532 is about 8291.4131485531. The cubic root of 68747532 is about 409.6557332177.

The spelling of 68747532 in words is "sixty-eight million, seven hundred forty-seven thousand, five hundred thirty-two".