68402067 has 8 divisors (see below), whose sum is σ = 96567696. Its totient is φ = 42918912.

The previous prime is 68402057. The next prime is 68402077. The reversal of 68402067 is 76020486.

It is an interprime number because it is at equal distance from previous prime (68402057) and next prime (68402077).

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

It is not a de Polignac number, because 68402067 - 2⁴ = 68402051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68402057) 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, 670558 + ... + 670659.

It is an arithmetic number, because the mean of its divisors is an integer number (12070962).

Almost surely, 2^68402067 is an apocalyptic number.

68402067 is a deficient number, since it is larger than the sum of its proper divisors (28165629).

68402067 is a wasteful number, since it uses less digits than its factorization.

68402067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341237.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 68402067 is about 8270.5542135942. The cubic root of 68402067 is about 408.9683900623.

The spelling of 68402067 in words is "sixty-eight million, four hundred two thousand, sixty-seven".