67917380252 has 6 divisors (see below), whose sum is σ = 118855415448. Its totient is φ = 33958690124.

The previous prime is 67917380239. The next prime is 67917380257. The reversal of 67917380252 is 25208371976.

It is a super-2 number, since 2×67917380252² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67917380252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67917380257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8489672528 + ... + 8489672535.

It is an arithmetic number, because the mean of its divisors is an integer number (19809235908).

Almost surely, 2^67917380252 is an apocalyptic number.

It is an amenable number.

67917380252 is a deficient number, since it is larger than the sum of its proper divisors (50938035196).

67917380252 is a wasteful number, since it uses less digits than its factorization.

67917380252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979345067 (or 16979345065 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 67917380252 in words is "sixty-seven billion, nine hundred seventeen million, three hundred eighty thousand, two hundred fifty-two".