68542692 has 12 divisors (see below), whose sum is σ = 159932976. Its totient is φ = 22847560.

The previous prime is 68542687. The next prime is 68542697. The reversal of 68542692 is 29624586.

It is an interprime number because it is at equal distance from previous prime (68542687) and next prime (68542697).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68542697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855934 + ... + 2855957.

It is an arithmetic number, because the mean of its divisors is an integer number (13327748).

Almost surely, 2^68542692 is an apocalyptic number.

It is an amenable number.

68542692 is an abundant number, since it is smaller than the sum of its proper divisors (91390284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68542692 is a wasteful number, since it uses less digits than its factorization.

68542692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711898 (or 5711896 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 68542692 is about 8279.0513949365. The cubic root of 68542692 is about 409.2484586611.

The spelling of 68542692 in words is "sixty-eight million, five hundred forty-two thousand, six hundred ninety-two".