67347513661007 has 4 divisors (see below), whose sum is σ = 67347779070000. Its totient is φ = 67347248252016.

The previous prime is 67347513660997. The next prime is 67347513661039. The reversal of 67347513661007 is 70016631574376.

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 67347513661007 - 2⁴ = 67347513660991 is a prime.

It is a super-2 number, since 2×67347513661007² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67347513861007) 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, 132323507 + ... + 132831492.

It is an arithmetic number, because the mean of its divisors is an integer number (16836944767500).

Almost surely, 2^{67347513661007} is an apocalyptic number.

67347513661007 is a deficient number, since it is larger than the sum of its proper divisors (265408993).

67347513661007 is a wasteful number, since it uses less digits than its factorization.

67347513661007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265408992.

The product of its (nonzero) digits is 13335840, while the sum is 56.

The spelling of 67347513661007 in words is "sixty-seven trillion, three hundred forty-seven billion, five hundred thirteen million, six hundred sixty-one thousand, seven".