70643226802 has 8 divisors (see below), whose sum is σ = 109618800300. Its totient is φ = 34103626704.

The previous prime is 70643226781. The next prime is 70643226809. The reversal of 70643226802 is 20862234607.

It can be written as a sum of positive squares in 2 ways, for example, as 69912119281 + 731107521 = 264409^2 + 27039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70643226802² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70643226809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608993277 + ... + 608993392.

Almost surely, 2^70643226802 is an apocalyptic number.

70643226802 is a deficient number, since it is larger than the sum of its proper divisors (38975573498).

70643226802 is a wasteful number, since it uses less digits than its factorization.

70643226802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217986700.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 70643226802 in words is "seventy billion, six hundred forty-three million, two hundred twenty-six thousand, eight hundred two".