68869190 has 24 divisors (see below), whose sum is σ = 134237088. Its totient is φ = 25428000.

The previous prime is 68869181. The next prime is 68869211. The reversal of 68869190 is 9196886.

It is a super-2 number, since 2×68869190² = 9485930662512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18686 + ... + 22065.

It is an arithmetic number, because the mean of its divisors is an integer number (5593212).

Almost surely, 2^68869190 is an apocalyptic number.

68869190 is a deficient number, since it is larger than the sum of its proper divisors (65367898).

68869190 is a wasteful number, since it uses less digits than its factorization.

68869190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40784 (or 40771 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 68869190 is about 8298.7462908562. The cubic root of 68869190 is about 409.8972377795.

The spelling of 68869190 in words is "sixty-eight million, eight hundred sixty-nine thousand, one hundred ninety".