70078140436 has 12 divisors (see below), whose sum is σ = 122988142900. Its totient is φ = 34938671040.

The previous prime is 70078140421. The next prime is 70078140437. The reversal of 70078140436 is 63404187007.

It can be written as a sum of positive squares in 2 ways, for example, as 28192424836 + 41885715600 = 167906^2 + 204660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70078140437) 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, 25098225 + ... + 25101016.

Almost surely, 2^70078140436 is an apocalyptic number.

It is an amenable number.

70078140436 is a deficient number, since it is larger than the sum of its proper divisors (52910002464).

70078140436 is a wasteful number, since it uses less digits than its factorization.

70078140436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50199594 (or 50199592 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 70078140436 in words is "seventy billion, seventy-eight million, one hundred forty thousand, four hundred thirty-six".