67400070670707 has 4 divisors (see below), whose sum is σ = 89866760894280. Its totient is φ = 44933380447136.

The previous prime is 67400070670679. The next prime is 67400070670763. The reversal of 67400070670707 is 70707607000476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67400070670707 - 2²⁶ = 67400003561843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67400070670707.

It is not an unprimeable number, because it can be changed into a prime (67400070670007) 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, 11233345111782 + ... + 11233345111787.

It is an arithmetic number, because the mean of its divisors is an integer number (22466690223570).

Almost surely, 2^{67400070670707} is an apocalyptic number.

67400070670707 is a deficient number, since it is larger than the sum of its proper divisors (22466690223573).

67400070670707 is a wasteful number, since it uses less digits than its factorization.

67400070670707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22466690223572.

The product of its (nonzero) digits is 2420208, while the sum is 51.

The spelling of 67400070670707 in words is "sixty-seven trillion, four hundred billion, seventy million, six hundred seventy thousand, seven hundred seven".