67306702782 has 64 divisors (see below), whose sum is σ = 151215787008. Its totient is φ = 19961902400.

The previous prime is 67306702781. The next prime is 67306702789. The reversal of 67306702782 is 28720760376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67306702781) 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, 285682 + ... + 465002.

It is an arithmetic number, because the mean of its divisors is an integer number (2362746672).

Almost surely, 2^67306702782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67306702782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75607893504).

67306702782 is an abundant number, since it is smaller than the sum of its proper divisors (83909084226).

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

67306702782 is a wasteful number, since it uses less digits than its factorization.

67306702782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179406 (or 179384 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 67306702782 in words is "sixty-seven billion, three hundred six million, seven hundred two thousand, seven hundred eighty-two".