70057540427 has 8 divisors (see below), whose sum is σ = 81699756000. Its totient is φ = 60049320072.

The previous prime is 70057540393. The next prime is 70057540433. The reversal of 70057540427 is 72404575007.

It is not a de Polignac number, because 70057540427 - 2¹² = 70057536331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70057540027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102124352 + ... + 102125037.

It is an arithmetic number, because the mean of its divisors is an integer number (10212469500).

Almost surely, 2^70057540427 is an apocalyptic number.

70057540427 is a deficient number, since it is larger than the sum of its proper divisors (11642215573).

70057540427 is an equidigital number, since it uses as much as digits as its factorization.

70057540427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204249410 (or 204249396 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 41.

The spelling of 70057540427 in words is "seventy billion, fifty-seven million, five hundred forty thousand, four hundred twenty-seven".