67727240 has 32 divisors (see below), whose sum is σ = 174156480. Its totient is φ = 23220672.

The previous prime is 67727197. The next prime is 67727293. The reversal of 67727240 is 4272776.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 67727240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120662 + ... + 121221.

It is an arithmetic number, because the mean of its divisors is an integer number (5442390).

Almost surely, 2^67727240 is an apocalyptic number.

It is an amenable number.

67727240 is an abundant number, since it is smaller than the sum of its proper divisors (106429240).

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

67727240 is a wasteful number, since it uses less digits than its factorization.

67727240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241901 (or 241897 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 67727240 is about 8229.6561289036. The cubic root of 67727240 is about 407.6190375762.

The spelling of 67727240 in words is "sixty-seven million, seven hundred twenty-seven thousand, two hundred forty".