67252861 has 8 divisors (see below), whose sum is σ = 73654560. Its totient is φ = 61026672.

The previous prime is 67252859. The next prime is 67252873. The reversal of 67252861 is 16825276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67252861 - 2¹ = 67252859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67252861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67252811) by changing a digit.

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, 43075 + ... + 44608.

It is an arithmetic number, because the mean of its divisors is an integer number (9206820).

Almost surely, 2^67252861 is an apocalyptic number.

It is an amenable number.

67252861 is a deficient number, since it is larger than the sum of its proper divisors (6401699).

67252861 is a wasteful number, since it uses less digits than its factorization.

67252861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87755.

The product of its digits is 40320, while the sum is 37.

The square root of 67252861 is about 8200.7841698218. The cubic root of 67252861 is about 406.6651174207.

The spelling of 67252861 in words is "sixty-seven million, two hundred fifty-two thousand, eight hundred sixty-one".