68740932 has 48 divisors (see below), whose sum is σ = 174847680. Its totient is φ = 20892288.

The previous prime is 68740927. The next prime is 68740939. The reversal of 68740932 is 23904786.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (68740939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10294 + ... + 15602.

It is an arithmetic number, because the mean of its divisors is an integer number (3642660).

Almost surely, 2^68740932 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 68740932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87423840).

68740932 is an abundant number, since it is smaller than the sum of its proper divisors (106106748).

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

68740932 is a wasteful number, since it uses less digits than its factorization.

68740932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 68740932 is about 8291.0151368816. The cubic root of 68740932 is about 409.6426233441.

The spelling of 68740932 in words is "sixty-eight million, seven hundred forty thousand, nine hundred thirty-two".