70436243 has 2 divisors, whose sum is σ = 70436244. Its totient is φ = 70436242.

The previous prime is 70436203. The next prime is 70436263. The reversal of 70436243 is 34263407.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70436243 - 2⁸ = 70435987 is a prime.

It is a super-2 number, since 2×70436243² = 9922528655910098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70436203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35218121 + 35218122.

It is an arithmetic number, because the mean of its divisors is an integer number (35218122).

Almost surely, 2^70436243 is an apocalyptic number.

70436243 is a deficient number, since it is larger than the sum of its proper divisors (1).

70436243 is an equidigital number, since it uses as much as digits as its factorization.

70436243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 70436243 is about 8392.6302790007. The cubic root of 70436243 is about 412.9828918451.

The spelling of 70436243 in words is "seventy million, four hundred thirty-six thousand, two hundred forty-three".