67332990 has 64 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 17487360.

The previous prime is 67332989. The next prime is 67333001. The reversal of 67332990 is 9923376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279270 + ... + 279510.

It is an arithmetic number, because the mean of its divisors is an integer number (2591820).

Almost surely, 2^67332990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67332990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82938240).

67332990 is an abundant number, since it is smaller than the sum of its proper divisors (98543490).

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

67332990 is a wasteful number, since it uses less digits than its factorization.

67332990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 67332990 is about 8205.6681629225. The cubic root of 67332990 is about 406.8265615376.

The spelling of 67332990 in words is "sixty-seven million, three hundred thirty-two thousand, nine hundred ninety".