68574966 has 32 divisors (see below), whose sum is σ = 142581600. Its totient is φ = 21960960.

The previous prime is 68574943. The next prime is 68574967. The reversal of 68574966 is 66947586.

68574966 = 4139² + 4140² + ... + 4142².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68574967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38986 + ... + 40706.

It is an arithmetic number, because the mean of its divisors is an integer number (4455675).

Almost surely, 2^68574966 is an apocalyptic number.

68574966 is an abundant number, since it is smaller than the sum of its proper divisors (74006634).

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

68574966 is a wasteful number, since it uses less digits than its factorization.

68574966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984.

The product of its digits is 2177280, while the sum is 51.

The square root of 68574966 is about 8281.0003018959. Note that the first 3 decimals coincide. The cubic root of 68574966 is about 409.3126814681.

The spelling of 68574966 in words is "sixty-eight million, five hundred seventy-four thousand, nine hundred sixty-six".