67474143072 has 360 divisors, whose sum is σ = 242995931640. Its totient is φ = 18263024640.

The previous prime is 67474143059. The next prime is 67474143109. The reversal of 67474143072 is 27034147476.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2399172 + ... + 2427132.

It is an arithmetic number, because the mean of its divisors is an integer number (674988699).

Almost surely, 2^67474143072 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 67474143072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121497965820).

67474143072 is an abundant number, since it is smaller than the sum of its proper divisors (175521788568).

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

67474143072 is a wasteful number, since it uses less digits than its factorization.

67474143072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28016 (or 27992 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 67474143072 in words is "sixty-seven billion, four hundred seventy-four million, one hundred forty-three thousand, seventy-two".