67157068 has 12 divisors (see below), whose sum is σ = 128209032. Its totient is φ = 30525920.

The previous prime is 67157063. The next prime is 67157081. The reversal of 67157068 is 86075176.

It is a self number, because there is not a number n which added to its sum of digits gives 67157068.

It is not an unprimeable number, because it can be changed into a prime (67157063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763105 + ... + 763192.

It is an arithmetic number, because the mean of its divisors is an integer number (10684086).

Almost surely, 2^67157068 is an apocalyptic number.

It is an amenable number.

67157068 is a deficient number, since it is larger than the sum of its proper divisors (61051964).

67157068 is a wasteful number, since it uses less digits than its factorization.

67157068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526312 (or 1526310 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 67157068 is about 8194.9416105302. The cubic root of 67157068 is about 406.4719450588.

The spelling of 67157068 in words is "sixty-seven million, one hundred fifty-seven thousand, sixty-eight".