70445087 has 2 divisors, whose sum is σ = 70445088. Its totient is φ = 70445086.

The previous prime is 70445071. The next prime is 70445101. The reversal of 70445087 is 78054407.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70445087 - 2⁴ = 70445071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70445017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35222543 + 35222544.

It is an arithmetic number, because the mean of its divisors is an integer number (35222544).

Almost surely, 2^70445087 is an apocalyptic number.

70445087 is a deficient number, since it is larger than the sum of its proper divisors (1).

70445087 is an equidigital number, since it uses as much as digits as its factorization.

70445087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 70445087 is about 8393.1571533005. The cubic root of 70445087 is about 413.0001758818. Note that the first 3 decimals are identical.

The spelling of 70445087 in words is "seventy million, four hundred forty-five thousand, eighty-seven".