70417471 has 2 divisors, whose sum is σ = 70417472. Its totient is φ = 70417470.

The previous prime is 70417447. The next prime is 70417489. The reversal of 70417471 is 17471407.

It is a strong prime.

It is an emirp because it is prime and its reverse (17471407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70417471 - 2⁷ = 70417343 is a prime.

It is a super-3 number, since 3×70417471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70417411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35208735 + 35208736.

It is an arithmetic number, because the mean of its divisors is an integer number (35208736).

Almost surely, 2^70417471 is an apocalyptic number.

70417471 is a deficient number, since it is larger than the sum of its proper divisors (1).

70417471 is an equidigital number, since it uses as much as digits as its factorization.

70417471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 70417471 is about 8391.5118423321. The cubic root of 70417471 is about 412.9462004898.

Adding to 70417471 its reverse (17471407), we get a palindrome (87888878).

The spelling of 70417471 in words is "seventy million, four hundred seventeen thousand, four hundred seventy-one".