67873525745 has 8 divisors (see below), whose sum is σ = 84256790760. Its totient is φ = 52426447360.

The previous prime is 67873525717. The next prime is 67873525747. The reversal of 67873525745 is 54752537876.

It can be written as a sum of positive squares in 4 ways, for example, as 15116948401 + 52756577344 = 122951^2 + 229688^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-67873525745 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67873525747) 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, 234046496 + ... + 234046785.

It is an arithmetic number, because the mean of its divisors is an integer number (10532098845).

Almost surely, 2^67873525745 is an apocalyptic number.

It is an amenable number.

67873525745 is a deficient number, since it is larger than the sum of its proper divisors (16383265015).

67873525745 is a wasteful number, since it uses less digits than its factorization.

67873525745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468093315.

The product of its digits is 49392000, while the sum is 59.

The spelling of 67873525745 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred twenty-five thousand, seven hundred forty-five".