68309097 has 8 divisors (see below), whose sum is σ = 91477440. Its totient is φ = 45340080.

The previous prime is 68309071. The next prime is 68309173. The reversal of 68309097 is 79090386.

It is a happy number.

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

It is not a de Polignac number, because 68309097 - 2⁷ = 68308969 is a prime.

It is a super-2 number, since 2×68309097² = 9332265465910818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68309897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49029 + ... + 50402.

It is an arithmetic number, because the mean of its divisors is an integer number (11434680).

Almost surely, 2^68309097 is an apocalyptic number.

It is an amenable number.

68309097 is a deficient number, since it is larger than the sum of its proper divisors (23168343).

68309097 is a wasteful number, since it uses less digits than its factorization.

68309097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99663.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 68309097 is about 8264.9317601539. The cubic root of 68309097 is about 408.7830202729.

The spelling of 68309097 in words is "sixty-eight million, three hundred nine thousand, ninety-seven".