70023071 has 2 divisors, whose sum is σ = 70023072. Its totient is φ = 70023070.

The previous prime is 70023061. The next prime is 70023077. The reversal of 70023071 is 17032007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70023071 - 2¹⁰ = 70022047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70023077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35011535 + 35011536.

It is an arithmetic number, because the mean of its divisors is an integer number (35011536).

Almost surely, 2^70023071 is an apocalyptic number.

70023071 is a deficient number, since it is larger than the sum of its proper divisors (1).

70023071 is an equidigital number, since it uses as much as digits as its factorization.

70023071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 70023071 is about 8367.9789077172. The cubic root of 70023071 is about 412.1738022328.

Adding to 70023071 its reverse (17032007), we get a palindrome (87055078).

The spelling of 70023071 in words is "seventy million, twenty-three thousand, seventy-one".