68061924 has 96 divisors (see below), whose sum is σ = 203132160. Its totient is φ = 19305216.

The previous prime is 68061919. The next prime is 68061977. The reversal of 68061924 is 42916086.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 148704 + ... + 149160.

It is an arithmetic number, because the mean of its divisors is an integer number (2115960).

Almost surely, 2^68061924 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 68061924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101566080).

68061924 is an abundant number, since it is smaller than the sum of its proper divisors (135070236).

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

68061924 is a wasteful number, since it uses less digits than its factorization.

68061924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68061924 is about 8249.9650908352. The cubic root of 68061924 is about 408.2893708420.

The spelling of 68061924 in words is "sixty-eight million, sixty-one thousand, nine hundred twenty-four".