68477796 has 72 divisors (see below), whose sum is σ = 178424064. Its totient is φ = 22135680.

The previous prime is 68477779. The next prime is 68477797. The reversal of 68477796 is 69777486.

It is not an unprimeable number, because it can be changed into a prime (68477797) 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 23 ways as a sum of consecutive naturals, for example, 186405 + ... + 186771.

It is an arithmetic number, because the mean of its divisors is an integer number (2478112).

Almost surely, 2^68477796 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 68477796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89212032).

68477796 is an abundant number, since it is smaller than the sum of its proper divisors (109946268).

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

68477796 is a wasteful number, since it uses less digits than its factorization.

68477796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 516 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 68477796 is about 8275.1311772080. The cubic root of 68477796 is about 409.1192595033.

The spelling of 68477796 in words is "sixty-eight million, four hundred seventy-seven thousand, seven hundred ninety-six".