67143372 has 12 divisors (see below), whose sum is σ = 156667896. Its totient is φ = 22381120.

The previous prime is 67143367. The next prime is 67143389. The reversal of 67143372 is 27334176.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797629 + ... + 2797652.

It is an arithmetic number, because the mean of its divisors is an integer number (13055658).

Almost surely, 2^67143372 is an apocalyptic number.

It is an amenable number.

67143372 is an abundant number, since it is smaller than the sum of its proper divisors (89524524).

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

67143372 is a wasteful number, since it uses less digits than its factorization.

67143372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595288 (or 5595286 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 67143372 is about 8194.1059304844. The cubic root of 67143372 is about 406.4443112425. Note that the first 3 decimals are identical.

The spelling of 67143372 in words is "sixty-seven million, one hundred forty-three thousand, three hundred seventy-two".