70666531674 has 16 divisors (see below), whose sum is σ = 141354304320. Its totient is φ = 23551970400.

The previous prime is 70666531633. The next prime is 70666531699. The reversal of 70666531674 is 47613566607.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841627 + ... + 921774.

It is an arithmetic number, because the mean of its divisors is an integer number (8834644020).

Almost surely, 2^70666531674 is an apocalyptic number.

70666531674 is an abundant number, since it is smaller than the sum of its proper divisors (70687772646).

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

70666531674 is a wasteful number, since it uses less digits than its factorization.

70666531674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770085.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 70666531674 in words is "seventy billion, six hundred sixty-six million, five hundred thirty-one thousand, six hundred seventy-four".