67834704845 has 8 divisors (see below), whose sum is σ = 81404040960. Its totient is φ = 54266167120.

The previous prime is 67834704829. The next prime is 67834704853. The reversal of 67834704845 is 54840743876.

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

It is not a de Polignac number, because 67834704845 - 2⁴ = 67834704829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6716 + ... + 368394.

It is an arithmetic number, because the mean of its divisors is an integer number (10175505120).

Almost surely, 2^67834704845 is an apocalyptic number.

It is an amenable number.

67834704845 is a deficient number, since it is larger than the sum of its proper divisors (13569336115).

67834704845 is a wasteful number, since it uses less digits than its factorization.

67834704845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399195.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 67834704845 in words is "sixty-seven billion, eight hundred thirty-four million, seven hundred four thousand, eight hundred forty-five".