70470073397 has 2 divisors, whose sum is σ = 70470073398. Its totient is φ = 70470073396.

The previous prime is 70470073393. The next prime is 70470073433. The reversal of 70470073397 is 79337007407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66788132356 + 3681941041 = 258434^2 + 60679^2 .

It is a cyclic number.

It is not a de Polignac number, because 70470073397 - 2² = 70470073393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70470073393) 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 as a sum of consecutive naturals, namely, 35235036698 + 35235036699.

It is an arithmetic number, because the mean of its divisors is an integer number (35235036699).

Almost surely, 2^70470073397 is an apocalyptic number.

It is an amenable number.

70470073397 is a deficient number, since it is larger than the sum of its proper divisors (1).

70470073397 is an equidigital number, since it uses as much as digits as its factorization.

70470073397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777924, while the sum is 47.

Adding to 70470073397 its sum of digits (47), we get a square (70470073444 = 265462²).

The spelling of 70470073397 in words is "seventy billion, four hundred seventy million, seventy-three thousand, three hundred ninety-seven".