68493142 has 16 divisors (see below), whose sum is σ = 106463232. Its totient is φ = 33022080.

The previous prime is 68493137. The next prime is 68493143. The reversal of 68493142 is 24139486.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68493143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (6653952).

Almost surely, 2^68493142 is an apocalyptic number.

68493142 is a deficient number, since it is larger than the sum of its proper divisors (37970090).

68493142 is a wasteful number, since it uses less digits than its factorization.

68493142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343.

The product of its digits is 41472, while the sum is 37.

The square root of 68493142 is about 8276.0583613215. The cubic root of 68493142 is about 409.1498186800.

It can be divided in two parts, 68493 and 142, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 68493142 in words is "sixty-eight million, four hundred ninety-three thousand, one hundred forty-two".