67343740343437 has 16 divisors (see below), whose sum is σ = 69381631124608. Its totient is φ = 65327486515200.

The previous prime is 67343740343423. The next prime is 67343740343459. The reversal of 67343740343437 is 73434304734376.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67343740343437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67343740349437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28153813 + ... + 30452005.

It is an arithmetic number, because the mean of its divisors is an integer number (4336351945288).

Almost surely, 2^{67343740343437} is an apocalyptic number.

It is an amenable number.

67343740343437 is a deficient number, since it is larger than the sum of its proper divisors (2037890781171).

67343740343437 is a wasteful number, since it uses less digits than its factorization.

67343740343437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302900.

The product of its (nonzero) digits is 128024064, while the sum is 58.

The spelling of 67343740343437 in words is "sixty-seven trillion, three hundred forty-three billion, seven hundred forty million, three hundred forty-three thousand, four hundred thirty-seven".