68672475 has 24 divisors (see below), whose sum is σ = 126155120. Its totient is φ = 36624960.

The previous prime is 68672467. The next prime is 68672477. The reversal of 68672475 is 57427686.

It is not a de Polignac number, because 68672475 - 2³ = 68672467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68672475.

It is not an unprimeable number, because it can be changed into a prime (68672477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50194 + ... + 51543.

Almost surely, 2^68672475 is an apocalyptic number.

68672475 is a deficient number, since it is larger than the sum of its proper divisors (57482645).

68672475 is a wasteful number, since it uses less digits than its factorization.

68672475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101756 (or 101745 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 68672475 is about 8286.8857238410. The cubic root of 68672475 is about 409.5065946422.

The spelling of 68672475 in words is "sixty-eight million, six hundred seventy-two thousand, four hundred seventy-five".