68351965 has 8 divisors (see below), whose sum is σ = 89479008. Its totient is φ = 49710480.

The previous prime is 68351957. The next prime is 68351989. The reversal of 68351965 is 56915386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68351965 - 2³ = 68351957 is a prime.

It is a super-2 number, since 2×68351965² = 9343982238722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621327 + ... + 621436.

It is an arithmetic number, because the mean of its divisors is an integer number (11184876).

Almost surely, 2^68351965 is an apocalyptic number.

It is an amenable number.

68351965 is a deficient number, since it is larger than the sum of its proper divisors (21127043).

68351965 is a wasteful number, since it uses less digits than its factorization.

68351965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242779.

The product of its digits is 194400, while the sum is 43.

The square root of 68351965 is about 8267.5247202533. The cubic root of 68351965 is about 408.8685142351.

The spelling of 68351965 in words is "sixty-eight million, three hundred fifty-one thousand, nine hundred sixty-five".