67113972 has 36 divisors (see below), whose sum is σ = 170213316. Its totient is φ = 22296960.

The previous prime is 67113941. The next prime is 67113989. The reversal of 67113972 is 27931176.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27499536 + 39614436 = 5244^2 + 6294^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8472 + ... + 14352.

Almost surely, 2^67113972 is an apocalyptic number.

It is an amenable number.

67113972 is an abundant number, since it is smaller than the sum of its proper divisors (103099344).

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

67113972 is a wasteful number, since it uses less digits than its factorization.

67113972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208 (or 6203 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 67113972 is about 8192.3117616458. The cubic root of 67113972 is about 406.3849794627.

The spelling of 67113972 in words is "sixty-seven million, one hundred thirteen thousand, nine hundred seventy-two".