67699152 has 50 divisors (see below), whose sum is σ = 195944738. Its totient is φ = 22565952.

The previous prime is 67699123. The next prime is 67699153. The reversal of 67699152 is 25199676.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54997056 + 12702096 = 7416^2 + 3564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67699098 and 67699107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67699153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24823 + ... + 27414.

Almost surely, 2^67699152 is an apocalyptic number.

It is an amenable number.

67699152 is an abundant number, since it is smaller than the sum of its proper divisors (128245586).

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

67699152 is a wasteful number, since it uses less digits than its factorization.

67699152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52257 (or 52242 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 67699152 is about 8227.9494407781. The cubic root of 67699152 is about 407.5626802098.

The spelling of 67699152 in words is "sixty-seven million, six hundred ninety-nine thousand, one hundred fifty-two".