67270240 has 24 divisors (see below), whose sum is σ = 158926320. Its totient is φ = 26908032.

The previous prime is 67270237. The next prime is 67270243. The reversal of 67270240 is 4207276.

It is an interprime number because it is at equal distance from previous prime (67270237) and next prime (67270243).

It is a junction number, because it is equal to n+sod(n) for n = 67270199 and 67270208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67270243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210060 + ... + 210379.

It is an arithmetic number, because the mean of its divisors is an integer number (6621930).

Almost surely, 2^67270240 is an apocalyptic number.

It is an amenable number.

67270240 is an abundant number, since it is smaller than the sum of its proper divisors (91656080).

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

67270240 is a wasteful number, since it uses less digits than its factorization.

67270240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420454 (or 420446 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 67270240 is about 8201.8436951700. The cubic root of 67270240 is about 406.7001435608.

The spelling of 67270240 in words is "sixty-seven million, two hundred seventy thousand, two hundred forty".