70474289 has 2 divisors, whose sum is σ = 70474290. Its totient is φ = 70474288.

The previous prime is 70474279. The next prime is 70474319. The reversal of 70474289 is 98247407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 15936064 = 7385^2 + 3992^2 .

It is a cyclic number.

It is not a de Polignac number, because 70474289 - 2¹² = 70470193 is a prime.

It is not a weakly prime, because it can be changed into another prime (70474279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237144 + 35237145.

It is an arithmetic number, because the mean of its divisors is an integer number (35237145).

Almost surely, 2^70474289 is an apocalyptic number.

It is an amenable number.

70474289 is a deficient number, since it is larger than the sum of its proper divisors (1).

70474289 is an equidigital number, since it uses as much as digits as its factorization.

70474289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 70474289 is about 8394.8966044854. The cubic root of 70474289 is about 413.0572357637.

The spelling of 70474289 in words is "seventy million, four hundred seventy-four thousand, two hundred eighty-nine".