70212074257 has 4 divisors (see below), whose sum is σ = 75613003060. Its totient is φ = 64811145456.

The previous prime is 70212074239. The next prime is 70212074267. The reversal of 70212074257 is 75247021207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39730056976 + 30482017281 = 199324^2 + 174591^2 .

It is a cyclic number.

It is not a de Polignac number, because 70212074257 - 2¹¹ = 70212072209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70212074227) 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, 2700464382 + ... + 2700464407.

It is an arithmetic number, because the mean of its divisors is an integer number (18903250765).

Almost surely, 2^70212074257 is an apocalyptic number.

It is an amenable number.

70212074257 is a deficient number, since it is larger than the sum of its proper divisors (5400928803).

70212074257 is a wasteful number, since it uses less digits than its factorization.

70212074257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400928802.

The product of its (nonzero) digits is 54880, while the sum is 37.

The spelling of 70212074257 in words is "seventy billion, two hundred twelve million, seventy-four thousand, two hundred fifty-seven".