67872947625 has 80 divisors (see below), whose sum is σ = 144611905152. Its totient is φ = 31027600800.

The previous prime is 67872947603. The next prime is 67872947647. The reversal of 67872947625 is 52674927876.

67872947625 is a `hidden beast` number, since 6 + 78 + 72 + 9 + 476 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (67872947603) and next prime (67872947647).

It is not a de Polignac number, because 67872947625 - 2⁶ = 67872947561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 407947 + ... + 549696.

Almost surely, 2^67872947625 is an apocalyptic number.

It is an amenable number.

67872947625 is an abundant number, since it is smaller than the sum of its proper divisors (76738957527).

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

67872947625 is an equidigital number, since it uses as much as digits as its factorization.

67872947625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957677 (or 957658 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 67872947625 in words is "sixty-seven billion, eight hundred seventy-two million, nine hundred forty-seven thousand, six hundred twenty-five".