672868148715 has 96 divisors (see below), whose sum is σ = 1392673412160. Its totient is φ = 307339619328.

The previous prime is 672868148707. The next prime is 672868148749. The reversal of 672868148715 is 517841868276.

It is a happy number.

672868148715 is a `hidden beast` number, since 6 + 72 + 8 + 6 + 81 + 487 + 1 + 5 = 666.

It is not a de Polignac number, because 672868148715 - 2³ = 672868148707 is a prime.

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

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 95 ways as a sum of consecutive naturals, for example, 7982067 + ... + 8065923.

It is an arithmetic number, because the mean of its divisors is an integer number (14507014710).

Almost surely, 2^672868148715 is an apocalyptic number.

672868148715 is an abundant number, since it is smaller than the sum of its proper divisors (719805263445).

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

672868148715 is a wasteful number, since it uses less digits than its factorization.

672868148715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85098 (or 85085 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 63.

The spelling of 672868148715 in words is "six hundred seventy-two billion, eight hundred sixty-eight million, one hundred forty-eight thousand, seven hundred fifteen".