68646180 has 24 divisors (see below), whose sum is σ = 192209472. Its totient is φ = 18305632.

The previous prime is 68646173. The next prime is 68646217. The reversal of 68646180 is 8164686.

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, 571992 + ... + 572111.

It is an arithmetic number, because the mean of its divisors is an integer number (8008728).

Almost surely, 2^68646180 is an apocalyptic number.

68646180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68646180 is an abundant number, since it is smaller than the sum of its proper divisors (123563292).

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

68646180 is a wasteful number, since it uses less digits than its factorization.

68646180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144115 (or 1144113 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 68646180 is about 8285.2990290031. The cubic root of 68646180 is about 409.4543206631.

The spelling of 68646180 in words is "sixty-eight million, six hundred forty-six thousand, one hundred eighty".