670732716786 has 32 divisors (see below), whose sum is σ = 1463470848000. Its totient is φ = 203244836880.

The previous prime is 670732716779. The next prime is 670732716859. The reversal of 670732716786 is 687617237076.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767495 + ... + 2113173.

It is an arithmetic number, because the mean of its divisors is an integer number (45733464000).

Almost surely, 2^670732716786 is an apocalyptic number.

670732716786 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

670732716786 is an abundant number, since it is smaller than the sum of its proper divisors (792738131214).

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

670732716786 is a wasteful number, since it uses less digits than its factorization.

670732716786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375094.

The product of its (nonzero) digits is 24893568, while the sum is 60.

The spelling of 670732716786 in words is "six hundred seventy billion, seven hundred thirty-two million, seven hundred sixteen thousand, seven hundred eighty-six".