68574975 has 24 divisors (see below), whose sum is σ = 129575040. Its totient is φ = 31348320.

The previous prime is 68574973. The next prime is 68574977. The reversal of 68574975 is 57947586.

It is an interprime number because it is at equal distance from previous prime (68574973) and next prime (68574977).

It is not a de Polignac number, because 68574975 - 2¹ = 68574973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68574973) 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, 64785 + ... + 65834.

It is an arithmetic number, because the mean of its divisors is an integer number (5398960).

Almost surely, 2^68574975 is an apocalyptic number.

68574975 is a deficient number, since it is larger than the sum of its proper divisors (61000065).

68574975 is a wasteful number, since it uses less digits than its factorization.

68574975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130639 (or 130634 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 68574975 is about 8281.0008453085. Note that the first 3 decimals coincide. The cubic root of 68574975 is about 409.3126993746.

The spelling of 68574975 in words is "sixty-eight million, five hundred seventy-four thousand, nine hundred seventy-five".