68867190 has 48 divisors (see below), whose sum is σ = 204635808. Its totient is φ = 15740928.

The previous prime is 68867179. The next prime is 68867203. The reversal of 68867190 is 9176886.

It is a happy number.

It is a super-2 number, since 2×68867190² = 9485379716992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54027 + ... + 55286.

It is an arithmetic number, because the mean of its divisors is an integer number (4263246).

Almost surely, 2^68867190 is an apocalyptic number.

68867190 is an abundant number, since it is smaller than the sum of its proper divisors (135768618).

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

68867190 is a wasteful number, since it uses less digits than its factorization.

68867190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109333 (or 109330 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 68867190 is about 8298.6257898522. The cubic root of 68867190 is about 409.8932698590.

The spelling of 68867190 in words is "sixty-eight million, eight hundred sixty-seven thousand, one hundred ninety".