68799456 has 240 divisors, whose sum is σ = 234178560. Its totient is φ = 19595520.

The previous prime is 68799449. The next prime is 68799469. The reversal of 68799456 is 65499786.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3265920) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 541665 + ... + 541791.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^68799456 is an apocalyptic number.

68799456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68799456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117089280).

68799456 is an abundant number, since it is smaller than the sum of its proper divisors (165379104).

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

68799456 is a wasteful number, since it uses less digits than its factorization.

68799456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 162 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 68799456 is about 8294.5437487544. The cubic root of 68799456 is about 409.7588429134.

The spelling of 68799456 in words is "sixty-eight million, seven hundred ninety-nine thousand, four hundred fifty-six".