70781673966 has 16 divisors (see below), whose sum is σ = 141585940224. Its totient is φ = 23590125944.

The previous prime is 70781673929. The next prime is 70781673967. The reversal of 70781673966 is 66937618707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70781673967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900480 + ... + 975923.

It is an arithmetic number, because the mean of its divisors is an integer number (8849121264).

Almost surely, 2^70781673966 is an apocalyptic number.

70781673966 is an abundant number, since it is smaller than the sum of its proper divisors (70804266258).

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

70781673966 is a wasteful number, since it uses less digits than its factorization.

70781673966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882695.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 70781673966 in words is "seventy billion, seven hundred eighty-one million, six hundred seventy-three thousand, nine hundred sixty-six".