67434027612 has 192 divisors, whose sum is σ = 199907205120. Its totient is φ = 17248087296.

The previous prime is 67434027587. The next prime is 67434027637. The reversal of 67434027612 is 21672043476.

It is an interprime number because it is at equal distance from previous prime (67434027587) and next prime (67434027637).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3035698 + ... + 3057830.

It is an arithmetic number, because the mean of its divisors is an integer number (1041183360).

Almost surely, 2^67434027612 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 67434027612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99953602560).

67434027612 is an abundant number, since it is smaller than the sum of its proper divisors (132473177508).

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

67434027612 is a wasteful number, since it uses less digits than its factorization.

67434027612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272 (or 22270 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 67434027612 in words is "sixty-seven billion, four hundred thirty-four million, twenty-seven thousand, six hundred twelve".