68670450 has 48 divisors (see below), whose sum is σ = 189228960. Its totient is φ = 18311760.

The previous prime is 68670403. The next prime is 68670461. The reversal of 68670450 is 5407686.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24084 + ... + 26783.

It is an arithmetic number, because the mean of its divisors is an integer number (3942270).

Almost surely, 2^68670450 is an apocalyptic number.

68670450 is an abundant number, since it is smaller than the sum of its proper divisors (120558510).

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

68670450 is a wasteful number, since it uses less digits than its factorization.

68670450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50888 (or 50877 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 68670450 is about 8286.7635419384. The cubic root of 68670450 is about 409.5025694535.

The spelling of 68670450 in words is "sixty-eight million, six hundred seventy thousand, four hundred fifty".