68481190 has 16 divisors (see below), whose sum is σ = 124025328. Its totient is φ = 27223776.

The previous prime is 68481157. The next prime is 68481197. The reversal of 68481190 is 9118486.

It is a happy number.

It is a super-2 number, since 2×68481190² = 9379346767632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68481197) 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, 19377 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (7751583).

Almost surely, 2^68481190 is an apocalyptic number.

68481190 is a deficient number, since it is larger than the sum of its proper divisors (55544138).

68481190 is a wasteful number, since it uses less digits than its factorization.

68481190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42183.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 68481190 is about 8275.3362469449. The cubic root of 68481190 is about 409.1260185206.

The spelling of 68481190 in words is "sixty-eight million, four hundred eighty-one thousand, one hundred ninety".