67299372 has 72 divisors (see below), whose sum is σ = 201146400. Its totient is φ = 18563328.

The previous prime is 67299367. The next prime is 67299373. The reversal of 67299372 is 27399276.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (67299373) 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, 2704 + ... + 11912.

It is an arithmetic number, because the mean of its divisors is an integer number (2793700).

Almost surely, 2^67299372 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 67299372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100573200).

67299372 is an abundant number, since it is smaller than the sum of its proper divisors (133847028).

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

67299372 is a wasteful number, since it uses less digits than its factorization.

67299372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255 (or 9250 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 67299372 is about 8203.6194450986. The cubic root of 67299372 is about 406.7588435085.

The spelling of 67299372 in words is "sixty-seven million, two hundred ninety-nine thousand, three hundred seventy-two".