68270172 has 24 divisors (see below), whose sum is σ = 159848976. Its totient is φ = 22677888.

The previous prime is 68270171. The next prime is 68270183. The reversal of 68270172 is 27107286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68270171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6193 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (6660374).

Almost surely, 2^68270172 is an apocalyptic number.

It is an amenable number.

68270172 is an abundant number, since it is smaller than the sum of its proper divisors (91578804).

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

68270172 is a wasteful number, since it uses less digits than its factorization.

68270172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19717 (or 19715 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 68270172 is about 8262.5765957115. The cubic root of 68270172 is about 408.7053590579.

The spelling of 68270172 in words is "sixty-eight million, two hundred seventy thousand, one hundred seventy-two".