67240620 has 72 divisors (see below), whose sum is σ = 214709040. Its totient is φ = 16986240.

The previous prime is 67240609. The next prime is 67240633. The reversal of 67240620 is 2604276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6411 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (2982070).

Almost surely, 2^67240620 is an apocalyptic number.

67240620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67240620 is an abundant number, since it is smaller than the sum of its proper divisors (147468420).

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

67240620 is a wasteful number, since it uses less digits than its factorization.

67240620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19695 (or 19690 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 67240620 is about 8200.0378047909. The cubic root of 67240620 is about 406.6404429326.

Adding to 67240620 its reverse (2604276), we get a palindrome (69844896).

The spelling of 67240620 in words is "sixty-seven million, two hundred forty thousand, six hundred twenty".