68224680 has 96 divisors (see below), whose sum is σ = 229975200. Its totient is φ = 18190656.

The previous prime is 68224679. The next prime is 68224729. The reversal of 68224680 is 8642286.

It is a super-2 number, since 2×68224680² = 9309213922204800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6211 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (2395575).

Almost surely, 2^68224680 is an apocalyptic number.

68224680 is a gapful number since it is divisible by the number (60) 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 68224680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114987600).

68224680 is an abundant number, since it is smaller than the sum of its proper divisors (161750520).

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

68224680 is a wasteful number, since it uses less digits than its factorization.

68224680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 68224680 is about 8259.8232426608. The cubic root of 68224680 is about 408.6145582734.

The spelling of 68224680 in words is "sixty-eight million, two hundred twenty-four thousand, six hundred eighty".