67240512 has 84 divisors (see below), whose sum is σ = 194712336. Its totient is φ = 22183680.

The previous prime is 67240501. The next prime is 67240529. The reversal of 67240512 is 21504276.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61087 + ... + 62177.

It is an arithmetic number, because the mean of its divisors is an integer number (2318004).

Almost surely, 2^67240512 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 67240512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97356168).

67240512 is an abundant number, since it is smaller than the sum of its proper divisors (127471824).

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

67240512 is a wasteful number, since it uses less digits than its factorization.

67240512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 67240512 is about 8200.0312194528. The cubic root of 67240512 is about 406.6402252210.

Adding to 67240512 its reverse (21504276), we get a palindrome (88744788).

The spelling of 67240512 in words is "sixty-seven million, two hundred forty thousand, five hundred twelve".