67054240 has 96 divisors (see below), whose sum is σ = 178536960. Its totient is φ = 23577600.

The previous prime is 67054219. The next prime is 67054241. The reversal of 67054240 is 4245076.

It is a super-2 number, since 2×67054240² = 8992542203955200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67054199 and 67054208.

It is not an unprimeable number, because it can be changed into a prime (67054241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53946 + ... + 55174.

It is an arithmetic number, because the mean of its divisors is an integer number (1859760).

Almost surely, 2^67054240 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 67054240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89268480).

67054240 is an abundant number, since it is smaller than the sum of its proper divisors (111482720).

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

67054240 is a wasteful number, since it uses less digits than its factorization.

67054240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 67054240 is about 8188.6653369154. The cubic root of 67054240 is about 406.2643816605.

The spelling of 67054240 in words is "sixty-seven million, fifty-four thousand, two hundred forty".