67921250504607 has 24 divisors (see below), whose sum is σ = 101790964888704. Its totient is φ = 45259095054168.

The previous prime is 67921250504567. The next prime is 67921250504629. The reversal of 67921250504607 is 70640505212976.

It is a happy number.

67921250504607 is a `hidden beast` number, since 6 + 7 + 9 + 2 + 1 + 25 + 0 + 5 + 0 + 4 + 607 = 666.

It is not a de Polignac number, because 67921250504607 - 2¹⁰ = 67921250503583 is a prime.

It is a super-2 number, since 2×67921250504607² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67921250504687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66587283 + ... + 67599620.

It is an arithmetic number, because the mean of its divisors is an integer number (4241290203696).

Almost surely, 2^{67921250504607} is an apocalyptic number.

67921250504607 is a deficient number, since it is larger than the sum of its proper divisors (33869714384097).

67921250504607 is a wasteful number, since it uses less digits than its factorization.

67921250504607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134189001 (or 134188989 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 67921250504607 in words is "sixty-seven trillion, nine hundred twenty-one billion, two hundred fifty million, five hundred four thousand, six hundred seven".