68127953 has 4 divisors (see below), whose sum is σ = 69712368. Its totient is φ = 66543540.

The previous prime is 68127947. The next prime is 68127967. The reversal of 68127953 is 35972186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35972186 = 2 ⋅17986093.

It is a cyclic number.

It is not a de Polignac number, because 68127953 - 2⁶ = 68127889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68127953.

It is not an unprimeable number, because it can be changed into a prime (68127923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792143 + ... + 792228.

It is an arithmetic number, because the mean of its divisors is an integer number (17428092).

Almost surely, 2^68127953 is an apocalyptic number.

It is an amenable number.

68127953 is a deficient number, since it is larger than the sum of its proper divisors (1584415).

68127953 is a wasteful number, since it uses less digits than its factorization.

68127953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584414.

The product of its digits is 90720, while the sum is 41.

The square root of 68127953 is about 8253.9658952530. The cubic root of 68127953 is about 408.4213595962.

The spelling of 68127953 in words is "sixty-eight million, one hundred twenty-seven thousand, nine hundred fifty-three".