68879190 has 32 divisors (see below), whose sum is σ = 166922496. Its totient is φ = 18188640.

The previous prime is 68879143. The next prime is 68879201. The reversal of 68879190 is 9197886.

It is a happy number.

It is a super-2 number, since 2×68879190² = 9488685630112200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8056 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (5216328).

Almost surely, 2^68879190 is an apocalyptic number.

68879190 is an abundant number, since it is smaller than the sum of its proper divisors (98043306).

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

68879190 is a wasteful number, since it uses less digits than its factorization.

68879190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22404.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 68879190 is about 8299.3487696325. The cubic root of 68879190 is about 409.9170762297.

The spelling of 68879190 in words is "sixty-eight million, eight hundred seventy-nine thousand, one hundred ninety".