70211255747 has 4 divisors (see below), whose sum is σ = 70211870736. Its totient is φ = 70210640760.

The previous prime is 70211255711. The next prime is 70211255839. The reversal of 70211255747 is 74755211207.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74755211207 = 67 ⋅1115749421.

It is a cyclic number.

It is not a de Polignac number, because 70211255747 - 2⁶ = 70211255683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70211155747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80279 + ... + 383232.

It is an arithmetic number, because the mean of its divisors is an integer number (17552967684).

Almost surely, 2^70211255747 is an apocalyptic number.

70211255747 is a deficient number, since it is larger than the sum of its proper divisors (614989).

70211255747 is a wasteful number, since it uses less digits than its factorization.

70211255747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614988.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 70211255747 in words is "seventy billion, two hundred eleven million, two hundred fifty-five thousand, seven hundred forty-seven".