68452742 has 4 divisors (see below), whose sum is σ = 102679116. Its totient is φ = 34226370.

The previous prime is 68452729. The next prime is 68452751. The reversal of 68452742 is 24725486.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68452696 and 68452705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17113184 + ... + 17113187.

It is an arithmetic number, because the mean of its divisors is an integer number (25669779).

Almost surely, 2^68452742 is an apocalyptic number.

68452742 is a deficient number, since it is larger than the sum of its proper divisors (34226374).

68452742 is a wasteful number, since it uses less digits than its factorization.

68452742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34226373.

The product of its digits is 107520, while the sum is 38.

The square root of 68452742 is about 8273.6172258571. The cubic root of 68452742 is about 409.0693585385.

The spelling of 68452742 in words is "sixty-eight million, four hundred fifty-two thousand, seven hundred forty-two".