68507075 has 24 divisors (see below), whose sum is σ = 104555808. Its totient is φ = 43361280.

The previous prime is 68507057. The next prime is 68507081. The reversal of 68507075 is 57070586.

It is not a de Polignac number, because 68507075 - 2¹⁴ = 68490691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12782 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (4356492).

Almost surely, 2^68507075 is an apocalyptic number.

68507075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68507075 is a deficient number, since it is larger than the sum of its proper divisors (36048733).

68507075 is a wasteful number, since it uses less digits than its factorization.

68507075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30143 (or 30138 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 68507075 is about 8276.9000839686. The cubic root of 68507075 is about 409.1775601334.

The spelling of 68507075 in words is "sixty-eight million, five hundred seven thousand, seventy-five".