68762666 has 8 divisors (see below), whose sum is σ = 117878880. Its totient is φ = 29469708.

The previous prime is 68762651. The next prime is 68762693. The reversal of 68762666 is 66626786.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68762666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455796 + ... + 2455823.

It is an arithmetic number, because the mean of its divisors is an integer number (14734860).

Almost surely, 2^68762666 is an apocalyptic number.

68762666 is a deficient number, since it is larger than the sum of its proper divisors (49116214).

68762666 is a wasteful number, since it uses less digits than its factorization.

68762666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911628.

The product of its digits is 870912, while the sum is 47.

The square root of 68762666 is about 8292.3257292511. The cubic root of 68762666 is about 409.6857913876.

The spelling of 68762666 in words is "sixty-eight million, seven hundred sixty-two thousand, six hundred sixty-six".