70406425220 has 12 divisors (see below), whose sum is σ = 147853493004. Its totient is φ = 28162570080.

The previous prime is 70406425171. The next prime is 70406425223. The reversal of 70406425220 is 2252460407.

It can be written as a sum of positive squares in 2 ways, for example, as 28600897924 + 41805527296 = 169118^2 + 204464^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70406425223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1760160611 + ... + 1760160650.

It is an arithmetic number, because the mean of its divisors is an integer number (12321124417).

Almost surely, 2^70406425220 is an apocalyptic number.

It is an amenable number.

70406425220 is an abundant number, since it is smaller than the sum of its proper divisors (77447067784).

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

70406425220 is a wasteful number, since it uses less digits than its factorization.

70406425220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520321270 (or 3520321268 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 70406425220 its reverse (2252460407), we get a palindrome (72658885627).

The spelling of 70406425220 in words is "seventy billion, four hundred six million, four hundred twenty-five thousand, two hundred twenty".