67072166740 has 48 divisors (see below), whose sum is σ = 144253137168. Its totient is φ = 26186194944.

The previous prime is 67072166723. The next prime is 67072166761. The reversal of 67072166740 is 4766127076.

67072166740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12240324496 + 54831842244 = 110636^2 + 234162^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40654 + ... + 368506.

It is an arithmetic number, because the mean of its divisors is an integer number (3005273691).

Almost surely, 2^67072166740 is an apocalyptic number.

It is an amenable number.

67072166740 is an abundant number, since it is smaller than the sum of its proper divisors (77180970428).

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

67072166740 is a wasteful number, since it uses less digits than its factorization.

67072166740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328108 (or 328106 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 67072166740 in words is "sixty-seven billion, seventy-two million, one hundred sixty-six thousand, seven hundred forty".