67997152 has 24 divisors (see below), whose sum is σ = 134380512. Its totient is φ = 33868800.

The previous prime is 67997119. The next prime is 67997159. The reversal of 67997152 is 25179976.

It is a happy number.

It is a super-2 number, since 2×67997152² = 9247225360222208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67997159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752 + ... + 12592.

It is an arithmetic number, because the mean of its divisors is an integer number (5599188).

Almost surely, 2^67997152 is an apocalyptic number.

It is an amenable number.

67997152 is a deficient number, since it is larger than the sum of its proper divisors (66383360).

67997152 is a wasteful number, since it uses less digits than its factorization.

67997152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8114 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 67997152 is about 8246.0385640621. The cubic root of 67997152 is about 408.1598118015.

The spelling of 67997152 in words is "sixty-seven million, nine hundred ninety-seven thousand, one hundred fifty-two".