70665274437696 has 189 divisors, whose sum is σ = 203577404441151. Its totient is φ = 23436126031104.

The previous prime is 70665274437551. The next prime is 70665274437707. The reversal of 70665274437696 is 69673447256607.

The square root of 70665274437696 is 8406264.

It is a perfect power (a square), and thus also a powerful number.

70665274437696 is a `hidden beast` number, since 7 + 0 + 6 + 6 + 5 + 27 + 443 + 76 + 96 = 666.

It is a super-2 number, since 2×70665274437696² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45797325501 + ... + 45797327043.

Almost surely, 2^{70665274437696} is an apocalyptic number.

70665274437696 is the 8406264-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70665274437696

70665274437696 is an abundant number, since it is smaller than the sum of its proper divisors (132912130003455).

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

70665274437696 is an frugal number, since it uses more digits than its factorization.

70665274437696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 1920360960, while the sum is 72.

The spelling of 70665274437696 in words is "seventy trillion, six hundred sixty-five billion, two hundred seventy-four million, four hundred thirty-seven thousand, six hundred ninety-six".