67972453406 has 16 divisors (see below), whose sum is σ = 119783624688. Its totient is φ = 28519910400.

The previous prime is 67972453399. The next prime is 67972453457. The reversal of 67972453406 is 60435427976.

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, 118832675 + ... + 118833246.

It is an arithmetic number, because the mean of its divisors is an integer number (7486476543).

Almost surely, 2^67972453406 is an apocalyptic number.

67972453406 is a deficient number, since it is larger than the sum of its proper divisors (51811171282).

67972453406 is a wasteful number, since it uses less digits than its factorization.

67972453406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237665947.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 67972453406 in words is "sixty-seven billion, nine hundred seventy-two million, four hundred fifty-three thousand, four hundred six".