70472417 has 2 divisors, whose sum is σ = 70472418. Its totient is φ = 70472416.

The previous prime is 70472359. The next prime is 70472419. The reversal of 70472417 is 71427407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 8755681 = 7856^2 + 2959^2 .

It is a cyclic number.

It is not a de Polignac number, because 70472417 - 2¹⁰ = 70471393 is a prime.

Together with 70472419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70472419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35236208 + 35236209.

It is an arithmetic number, because the mean of its divisors is an integer number (35236209).

Almost surely, 2^70472417 is an apocalyptic number.

It is an amenable number.

70472417 is a deficient number, since it is larger than the sum of its proper divisors (1).

70472417 is an equidigital number, since it uses as much as digits as its factorization.

70472417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 70472417 is about 8394.7851074343. The cubic root of 70472417 is about 413.0535784015.

The spelling of 70472417 in words is "seventy million, four hundred seventy-two thousand, four hundred seventeen".