67564950 has 96 divisors (see below), whose sum is σ = 178679040. Its totient is φ = 16848000.

The previous prime is 67564927. The next prime is 67564951. The reversal of 67564950 is 5946576.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67564951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430272 + ... + 430428.

It is an arithmetic number, because the mean of its divisors is an integer number (1861240).

Almost surely, 2^67564950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67564950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89339520).

67564950 is an abundant number, since it is smaller than the sum of its proper divisors (111114090).

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

67564950 is a wasteful number, since it uses less digits than its factorization.

67564950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 67564950 is about 8219.7901433066. The cubic root of 67564950 is about 407.2931942725.

The spelling of 67564950 in words is "sixty-seven million, five hundred sixty-four thousand, nine hundred fifty".