70945392827 has 4 divisors (see below), whose sum is σ = 71800156680. Its totient is φ = 70090628976.

The previous prime is 70945392811. The next prime is 70945392839. The reversal of 70945392827 is 72829354907.

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

It is a cyclic number.

It is not a de Polignac number, because 70945392827 - 2⁴ = 70945392811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70945392857) 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, 427381802 + ... + 427381967.

It is an arithmetic number, because the mean of its divisors is an integer number (17950039170).

Almost surely, 2^70945392827 is an apocalyptic number.

70945392827 is a deficient number, since it is larger than the sum of its proper divisors (854763853).

70945392827 is an equidigital number, since it uses as much as digits as its factorization.

70945392827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854763852.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 70945392827 in words is "seventy billion, nine hundred forty-five million, three hundred ninety-two thousand, eight hundred twenty-seven".