70704648457 has 2 divisors, whose sum is σ = 70704648458. Its totient is φ = 70704648456.

The previous prime is 70704648433. The next prime is 70704648557. The reversal of 70704648457 is 75484640707.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70358093001 + 346555456 = 265251^2 + 18616^2 .

It is a cyclic number.

It is not a de Polignac number, because 70704648457 - 2¹¹ = 70704646409 is a prime.

It is not a weakly prime, because it can be changed into another prime (70704648257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35352324228 + 35352324229.

It is an arithmetic number, because the mean of its divisors is an integer number (35352324229).

Almost surely, 2^70704648457 is an apocalyptic number.

It is an amenable number.

70704648457 is a deficient number, since it is larger than the sum of its proper divisors (1).

70704648457 is an equidigital number, since it uses as much as digits as its factorization.

70704648457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5268480, while the sum is 52.

The spelling of 70704648457 in words is "seventy billion, seven hundred four million, six hundred forty-eight thousand, four hundred fifty-seven".