70370632729 has 2 divisors, whose sum is σ = 70370632730. Its totient is φ = 70370632728.

The previous prime is 70370632727. The next prime is 70370632771. The reversal of 70370632729 is 92723607307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68448687129 + 1921945600 = 261627^2 + 43840^2 .

It is a cyclic number.

It is not a de Polignac number, because 70370632729 - 2¹ = 70370632727 is a prime.

Together with 70370632727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70370632727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35185316364 + 35185316365.

It is an arithmetic number, because the mean of its divisors is an integer number (35185316365).

Almost surely, 2^70370632729 is an apocalyptic number.

It is an amenable number.

70370632729 is a deficient number, since it is larger than the sum of its proper divisors (1).

70370632729 is an equidigital number, since it uses as much as digits as its factorization.

70370632729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 70370632729 in words is "seventy billion, three hundred seventy million, six hundred thirty-two thousand, seven hundred twenty-nine".