68180970 has 128 divisors (see below), whose sum is σ = 200890368. Its totient is φ = 14572800.

The previous prime is 68180969. The next prime is 68181007. The reversal of 68180970 is 7908186.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98325 + ... + 99015.

It is an arithmetic number, because the mean of its divisors is an integer number (1569456).

Almost surely, 2^68180970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68180970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100445184).

68180970 is an abundant number, since it is smaller than the sum of its proper divisors (132709398).

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

68180970 is a wasteful number, since it uses less digits than its factorization.

68180970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 68180970 is about 8257.1768783283. The cubic root of 68180970 is about 408.5272762811.

The spelling of 68180970 in words is "sixty-eight million, one hundred eighty thousand, nine hundred seventy".