67072450892 has 24 divisors (see below), whose sum is σ = 117834133200. Its totient is φ = 33405811776.

The previous prime is 67072450889. The next prime is 67072450903. The reversal of 67072450892 is 29805427076.

It is a self number, because there is not a number n which added to its sum of digits gives 67072450892.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1033334 + ... + 1096322.

It is an arithmetic number, because the mean of its divisors is an integer number (4909755550).

Almost surely, 2^67072450892 is an apocalyptic number.

It is an amenable number.

67072450892 is a deficient number, since it is larger than the sum of its proper divisors (50761682308).

67072450892 is a wasteful number, since it uses less digits than its factorization.

67072450892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64025 (or 64023 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 67072450892 in words is "sixty-seven billion, seventy-two million, four hundred fifty thousand, eight hundred ninety-two".