68455310 has 32 divisors (see below), whose sum is σ = 153626112. Its totient is φ = 21336480.

The previous prime is 68455301. The next prime is 68455313. The reversal of 68455310 is 1355486.

It is a happy number.

It is a super-2 number, since 2×68455310² = 9372258934392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68455313) 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 15 ways as a sum of consecutive naturals, for example, 43682 + ... + 45221.

It is an arithmetic number, because the mean of its divisors is an integer number (4800816).

Almost surely, 2^68455310 is an apocalyptic number.

68455310 is an abundant number, since it is smaller than the sum of its proper divisors (85170802).

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

68455310 is a wasteful number, since it uses less digits than its factorization.

68455310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88928.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 68455310 is about 8273.7724164978. The cubic root of 68455310 is about 409.0744738777.

The spelling of 68455310 in words is "sixty-eight million, four hundred fifty-five thousand, three hundred ten".