67398962382 has 64 divisors (see below), whose sum is σ = 159337843200. Its totient is φ = 21044499840.

The previous prime is 67398962381. The next prime is 67398962401. The reversal of 67398962382 is 28326989376.

67398962382 is a `hidden beast` number, since 6 + 7 + 398 + 9 + 6 + 238 + 2 = 666.

It is a super-2 number, since 2×67398962382² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67398962381) 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 31 ways as a sum of consecutive naturals, for example, 19719 + ... + 367677.

It is an arithmetic number, because the mean of its divisors is an integer number (2489653800).

Almost surely, 2^67398962382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67398962382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79668921600).

67398962382 is an abundant number, since it is smaller than the sum of its proper divisors (91938880818).

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

67398962382 is a wasteful number, since it uses less digits than its factorization.

67398962382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348198 (or 348192 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 67398962382 in words is "sixty-seven billion, three hundred ninety-eight million, nine hundred sixty-two thousand, three hundred eighty-two".