70475479 has 2 divisors, whose sum is σ = 70475480. Its totient is φ = 70475478.

The previous prime is 70475467. The next prime is 70475497. The reversal of 70475479 is 97457407.

Together with next prime (70475497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70475479 - 2¹⁹ = 69951191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70475459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237739 + 35237740.

It is an arithmetic number, because the mean of its divisors is an integer number (35237740).

Almost surely, 2^70475479 is an apocalyptic number.

70475479 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475479 is an equidigital number, since it uses as much as digits as its factorization.

70475479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 70475479 is about 8394.9674805803. The cubic root of 70475479 is about 413.0595606557.

The spelling of 70475479 in words is "seventy million, four hundred seventy-five thousand, four hundred seventy-nine".