70306820740 has 24 divisors (see below), whose sum is σ = 159001579800. Its totient is φ = 25959441408.

The previous prime is 70306820723. The next prime is 70306820747. The reversal of 70306820740 is 4702860307.

It can be written as a sum of positive squares in 4 ways, for example, as 2739056896 + 67567763844 = 52336^2 + 259938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70306820740.

It is not an unprimeable number, because it can be changed into a prime (70306820747) by changing a digit.

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, 135205165 + ... + 135205684.

It is an arithmetic number, because the mean of its divisors is an integer number (6625065825).

Almost surely, 2^70306820740 is an apocalyptic number.

It is an amenable number.

70306820740 is an abundant number, since it is smaller than the sum of its proper divisors (88694759060).

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

70306820740 is a wasteful number, since it uses less digits than its factorization.

70306820740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270410871 (or 270410869 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 70306820740 in words is "seventy billion, three hundred six million, eight hundred twenty thousand, seven hundred forty".