67685926240 has 48 divisors (see below), whose sum is σ = 159948075168. Its totient is φ = 27067585536.

The previous prime is 67685926229. The next prime is 67685926261. The reversal of 67685926240 is 4262958676.

It is a super-2 number, since 2×67685926240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613549 + ... + 715411.

It is an arithmetic number, because the mean of its divisors is an integer number (3332251566).

Almost surely, 2^67685926240 is an apocalyptic number.

It is an amenable number.

67685926240 is an abundant number, since it is smaller than the sum of its proper divisors (92262148928).

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

67685926240 is a wasteful number, since it uses less digits than its factorization.

67685926240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106031 (or 106023 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 67685926240 in words is "sixty-seven billion, six hundred eighty-five million, nine hundred twenty-six thousand, two hundred forty".