68180972 has 24 divisors (see below), whose sum is σ = 126310800. Its totient is φ = 32147136.

The previous prime is 68180969. The next prime is 68181007. The reversal of 68180972 is 27908186.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847 + ... + 11822.

It is an arithmetic number, because the mean of its divisors is an integer number (5262950).

Almost surely, 2^68180972 is an apocalyptic number.

It is an amenable number.

68180972 is a deficient number, since it is larger than the sum of its proper divisors (58129828).

68180972 is a wasteful number, since it uses less digits than its factorization.

68180972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 68180972 is about 8257.1769994351. The cubic root of 68180972 is about 408.5272802757.

The spelling of 68180972 in words is "sixty-eight million, one hundred eighty thousand, nine hundred seventy-two".