68142753 has 12 divisors (see below), whose sum is σ = 112489728. Its totient is φ = 38938680.

The previous prime is 68142733. The next prime is 68142773. The reversal of 68142753 is 35724186.

It is an interprime number because it is at equal distance from previous prime (68142733) and next prime (68142773).

It is not a de Polignac number, because 68142753 - 2⁶ = 68142689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68142713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540753 + ... + 540878.

It is an arithmetic number, because the mean of its divisors is an integer number (9374144).

Almost surely, 2^68142753 is an apocalyptic number.

68142753 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68142753 is a deficient number, since it is larger than the sum of its proper divisors (44346975).

68142753 is a wasteful number, since it uses less digits than its factorization.

68142753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081644 (or 1081641 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 68142753 is about 8254.8623852854. The cubic root of 68142753 is about 408.4509323740.

It can be divided in two parts, 681 and 42753, that added together give a palindrome (43434).

The spelling of 68142753 in words is "sixty-eight million, one hundred forty-two thousand, seven hundred fifty-three".