67873525746 has 64 divisors (see below), whose sum is σ = 155062252800. Its totient is φ = 19620919296.

The previous prime is 67873525717. The next prime is 67873525747. The reversal of 67873525746 is 64752537876.

It is a happy number.

It is a super-3 number, since 3×67873525746³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67873525746.

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 31 ways as a sum of consecutive naturals, for example, 709515 + ... + 799473.

It is an arithmetic number, because the mean of its divisors is an integer number (2422847700).

Almost surely, 2^67873525746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67873525746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77531126400).

67873525746 is an abundant number, since it is smaller than the sum of its proper divisors (87188727054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67873525746 is a wasteful number, since it uses less digits than its factorization.

67873525746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90563.

The product of its digits is 59270400, while the sum is 60.

The spelling of 67873525746 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred twenty-five thousand, seven hundred forty-six".