715349973666 has 64 divisors (see below), whose sum is σ = 1519876177920. Its totient is φ = 223823295360.

The previous prime is 715349973581. The next prime is 715349973673. The reversal of 715349973666 is 666379943517.

It is a junction number, because it is equal to n+sod(n) for n = 715349973597 and 715349973606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10985295 + ... + 11050221.

It is an arithmetic number, because the mean of its divisors is an integer number (23748065280).

Almost surely, 2^715349973666 is an apocalyptic number.

715349973666 is an abundant number, since it is smaller than the sum of its proper divisors (804526204254).

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

715349973666 is a wasteful number, since it uses less digits than its factorization.

715349973666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65839.

The product of its digits is 154314720, while the sum is 66.

The spelling of 715349973666 in words is "seven hundred fifteen billion, three hundred forty-nine million, nine hundred seventy-three thousand, six hundred sixty-six".