67465273744 has 80 divisors (see below), whose sum is σ = 145493187840. Its totient is φ = 30046654080.

The previous prime is 67465273657. The next prime is 67465273747. The reversal of 67465273744 is 44737256476.

It is a super-2 number, since 2×67465273744² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67465273747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3177307 + ... + 3198469.

It is an arithmetic number, because the mean of its divisors is an integer number (1818664848).

Almost surely, 2^67465273744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67465273744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72746593920).

67465273744 is an abundant number, since it is smaller than the sum of its proper divisors (78027914096).

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

67465273744 is a wasteful number, since it uses less digits than its factorization.

67465273744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548 (or 21542 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 55.

The spelling of 67465273744 in words is "sixty-seven billion, four hundred sixty-five million, two hundred seventy-three thousand, seven hundred forty-four".