67200240 has 40 divisors (see below), whose sum is σ = 208321488. Its totient is φ = 17920000.

The previous prime is 67200197. The next prime is 67200247. The reversal of 67200240 is 4200276.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67200247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139761 + ... + 140240.

Almost surely, 2^67200240 is an apocalyptic number.

67200240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67200240 is an abundant number, since it is smaller than the sum of its proper divisors (141121248).

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

67200240 is a wasteful number, since it uses less digits than its factorization.

67200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280017 (or 280011 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 67200240 is about 8197.5752512557. The cubic root of 67200240 is about 406.5590267236.

The spelling of 67200240 in words is "sixty-seven million, two hundred thousand, two hundred forty".