68725942 has 4 divisors (see below), whose sum is σ = 103088916. Its totient is φ = 34362970.

The previous prime is 68725939. The next prime is 68725991. The reversal of 68725942 is 24952786.

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

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, 17181484 + ... + 17181487.

It is an arithmetic number, because the mean of its divisors is an integer number (25772229).

Almost surely, 2^68725942 is an apocalyptic number.

68725942 is a deficient number, since it is larger than the sum of its proper divisors (34362974).

68725942 is a wasteful number, since it uses less digits than its factorization.

68725942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34362973.

The product of its digits is 241920, while the sum is 43.

The square root of 68725942 is about 8290.1110969637. Note that the first 3 decimals coincide. The cubic root of 68725942 is about 409.6128449227.

The spelling of 68725942 in words is "sixty-eight million, seven hundred twenty-five thousand, nine hundred forty-two".