70748215893 has 6 divisors (see below), whose sum is σ = 102191867414. Its totient is φ = 47165477256.

The previous prime is 70748215861. The next prime is 70748215897. The reversal of 70748215893 is 39851284707.

It is a happy number.

70748215893 is a `hidden beast` number, since 7 + 0 + 7 + 482 + 158 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58497710769 + 12250505124 = 241863^2 + 110682^2 .

It is not a de Polignac number, because 70748215893 - 2⁵ = 70748215861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70748215897) 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 5 ways as a sum of consecutive naturals, for example, 3930456430 + ... + 3930456447.

Almost surely, 2^70748215893 is an apocalyptic number.

It is an amenable number.

70748215893 is a deficient number, since it is larger than the sum of its proper divisors (31443651521).

70748215893 is a wasteful number, since it uses less digits than its factorization.

70748215893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860912883 (or 7860912880 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 70748215893 in words is "seventy billion, seven hundred forty-eight million, two hundred fifteen thousand, eight hundred ninety-three".