68455272 has 16 divisors (see below), whose sum is σ = 171138240. Its totient is φ = 22818416.

The previous prime is 68455267. The next prime is 68455279. The reversal of 68455272 is 27255486.

It is a super-2 number, since 2×68455272² = 9372248529187968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68455272.

It is not an unprimeable number, because it can be changed into a prime (68455279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426128 + ... + 1426175.

It is an arithmetic number, because the mean of its divisors is an integer number (10696140).

Almost surely, 2^68455272 is an apocalyptic number.

It is an amenable number.

68455272 is an abundant number, since it is smaller than the sum of its proper divisors (102682968).

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

68455272 is a wasteful number, since it uses less digits than its factorization.

68455272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852312 (or 2852308 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 68455272 is about 8273.7701200843. The cubic root of 68455272 is about 409.0743981844.

The spelling of 68455272 in words is "sixty-eight million, four hundred fifty-five thousand, two hundred seventy-two".