68457974 has 8 divisors (see below), whose sum is σ = 110586000. Its totient is φ = 31595976.

The previous prime is 68457973. The next prime is 68457989. The reversal of 68457974 is 47975486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68457971) 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 3 ways as a sum of consecutive naturals, for example, 1316474 + ... + 1316525.

It is an arithmetic number, because the mean of its divisors is an integer number (13823250).

Almost surely, 2^68457974 is an apocalyptic number.

68457974 is a deficient number, since it is larger than the sum of its proper divisors (42128026).

68457974 is a wasteful number, since it uses less digits than its factorization.

68457974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633014.

The product of its digits is 1693440, while the sum is 50.

The square root of 68457974 is about 8273.9334055817. The cubic root of 68457974 is about 409.0797803093.

The spelling of 68457974 in words is "sixty-eight million, four hundred fifty-seven thousand, nine hundred seventy-four".