70475497 has 2 divisors, whose sum is σ = 70475498. Its totient is φ = 70475496.

The previous prime is 70475479. The next prime is 70475533. The reversal of 70475497 is 79457407.

Together with previous prime (70475479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70291456 + 184041 = 8384^2 + 429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70475497 is a prime.

It is not a weakly prime, because it can be changed into another prime (70475407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237748 + 35237749.

It is an arithmetic number, because the mean of its divisors is an integer number (35237749).

Almost surely, 2^70475497 is an apocalyptic number.

It is an amenable number.

70475497 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475497 is an equidigital number, since it uses as much as digits as its factorization.

70475497 is an odious number, because the sum of its binary digits is odd.

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

The square root of 70475497 is about 8394.9685526510. The cubic root of 70475497 is about 413.0595958220.

It can be divided in two parts, 7047 and 5497, that added together give a square (12544 = 112²).

The spelling of 70475497 in words is "seventy million, four hundred seventy-five thousand, four hundred ninety-seven".