67136652 has 72 divisors (see below), whose sum is σ = 194900160. Its totient is φ = 19271520.

The previous prime is 67136651. The next prime is 67136659. The reversal of 67136652 is 25663176.

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

It is not an unprimeable number, because it can be changed into a prime (67136651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3063 + ... + 11985.

Almost surely, 2^67136652 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 67136652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97450080).

67136652 is an abundant number, since it is smaller than the sum of its proper divisors (127763508).

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

67136652 is a wasteful number, since it uses less digits than its factorization.

67136652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963 (or 8958 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 67136652 is about 8193.6958693864. The cubic root of 67136652 is about 406.4307512200.

The spelling of 67136652 in words is "sixty-seven million, one hundred thirty-six thousand, six hundred fifty-two".