68120737 has 8 divisors (see below), whose sum is σ = 70949952. Its totient is φ = 65343600.

The previous prime is 68120711. The next prime is 68120761. The reversal of 68120737 is 73702186.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68120737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68120707) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10339 + ... + 15592.

It is an arithmetic number, because the mean of its divisors is an integer number (8868744).

Almost surely, 2^68120737 is an apocalyptic number.

It is an amenable number.

68120737 is a deficient number, since it is larger than the sum of its proper divisors (2829215).

68120737 is a wasteful number, since it uses less digits than its factorization.

68120737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26039.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 68120737 is about 8253.5287604757. The cubic root of 68120737 is about 408.4069393156.

The spelling of 68120737 in words is "sixty-eight million, one hundred twenty thousand, seven hundred thirty-seven".