67242560 has 112 divisors (see below), whose sum is σ = 199704960. Its totient is φ = 20951040.

The previous prime is 67242493. The next prime is 67242569. The reversal of 67242560 is 6524276.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (67242569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23276 + ... + 26004.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 2^67242560 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 67242560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99852480).

67242560 is an abundant number, since it is smaller than the sum of its proper divisors (132462400).

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

67242560 is a wasteful number, since it uses less digits than its factorization.

67242560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 67242560 is about 8200.1560960752. The cubic root of 67242560 is about 406.6443536385.

The spelling of 67242560 in words is "sixty-seven million, two hundred forty-two thousand, five hundred sixty".