68875245 has 32 divisors (see below), whose sum is σ = 129651840. Its totient is φ = 34571520.

The previous prime is 68875223. The next prime is 68875267. The reversal of 68875245 is 54257886.

It is an interprime number because it is at equal distance from previous prime (68875223) and next prime (68875267).

It is not a de Polignac number, because 68875245 - 2⁶ = 68875181 is a prime.

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

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 68875245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12711 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (4051620).

Almost surely, 2^68875245 is an apocalyptic number.

It is an amenable number.

68875245 is a deficient number, since it is larger than the sum of its proper divisors (60776595).

68875245 is a wasteful number, since it uses less digits than its factorization.

68875245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042 (or 30036 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 68875245 is about 8299.1110969790. Note that the first 3 decimals coincide. The cubic root of 68875245 is about 409.9092501905.

The spelling of 68875245 in words is "sixty-eight million, eight hundred seventy-five thousand, two hundred forty-five".