67334667999972 has 24 divisors (see below), whose sum is σ = 157119710244000. Its totient is φ = 22444105774656.

The previous prime is 67334667999953. The next prime is 67334667999997. The reversal of 67334667999972 is 27999976643376.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97586722 + ... + 98274297.

It is an arithmetic number, because the mean of its divisors is an integer number (6546654593500).

Almost surely, 2^{67334667999972} is an apocalyptic number.

It is an amenable number.

67334667999972 is an abundant number, since it is smaller than the sum of its proper divisors (89785042244028).

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

67334667999972 is a wasteful number, since it uses less digits than its factorization.

67334667999972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195889675 (or 195889673 counting only the distinct ones).

The product of its digits is 34998578496, while the sum is 87.

The spelling of 67334667999972 in words is "sixty-seven trillion, three hundred thirty-four billion, six hundred sixty-seven million, nine hundred ninety-nine thousand, nine hundred seventy-two".