67972455216 has 30 divisors (see below), whose sum is σ = 190228468820. Its totient is φ = 22657485024.

The previous prime is 67972455211. The next prime is 67972455269. The reversal of 67972455216 is 61255427976.

It is a happy number.

67972455216 is a `hidden beast` number, since 6 + 7 + 9 + 72 + 4 + 552 + 16 = 666.

It is a super-2 number, since 2×67972455216² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67972455211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236015326 + ... + 236015613.

Almost surely, 2^67972455216 is an apocalyptic number.

It is an amenable number.

67972455216 is an abundant number, since it is smaller than the sum of its proper divisors (122256013604).

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

67972455216 is a wasteful number, since it uses less digits than its factorization.

67972455216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472030953 (or 472030944 counting only the distinct ones).

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

The spelling of 67972455216 in words is "sixty-seven billion, nine hundred seventy-two million, four hundred fifty-five thousand, two hundred sixteen".