68451069 has 12 divisors (see below), whose sum is σ = 94311168. Its totient is φ = 44160120.

The previous prime is 68451067. The next prime is 68451079. The reversal of 68451069 is 96015486.

It is not a de Polignac number, because 68451069 - 2¹ = 68451067 is a prime.

It is a super-2 number, since 2×68451069² = 9371097694485522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68451067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8989 + ... + 14754.

It is an arithmetic number, because the mean of its divisors is an integer number (7859264).

Almost surely, 2^68451069 is an apocalyptic number.

It is an amenable number.

68451069 is a deficient number, since it is larger than the sum of its proper divisors (25860099).

68451069 is a wasteful number, since it uses less digits than its factorization.

68451069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23808 (or 23777 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68451069 is about 8273.5161207313. The cubic root of 68451069 is about 409.0660259298.

The spelling of 68451069 in words is "sixty-eight million, four hundred fifty-one thousand, sixty-nine".