70302839540 has 24 divisors (see below), whose sum is σ = 147749496552. Its totient is φ = 28099510400.

The previous prime is 70302839539. The next prime is 70302839573. The reversal of 70302839540 is 4593820307.

It can be written as a sum of positive squares in 4 ways, for example, as 3262237456 + 67040602084 = 57116^2 + 258922^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324919 + ... + 1376958.

It is an arithmetic number, because the mean of its divisors is an integer number (6156229023).

Almost surely, 2^70302839540 is an apocalyptic number.

It is an amenable number.

70302839540 is an abundant number, since it is smaller than the sum of its proper divisors (77446657012).

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

70302839540 is a wasteful number, since it uses less digits than its factorization.

70302839540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703187 (or 2703185 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 70302839540 in words is "seventy billion, three hundred two million, eight hundred thirty-nine thousand, five hundred forty".