70528847 has 2 divisors, whose sum is σ = 70528848. Its totient is φ = 70528846.

The previous prime is 70528819. The next prime is 70528859. The reversal of 70528847 is 74882507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70528847 - 2¹⁰ = 70527823 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 (70528807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35264423 + 35264424.

It is an arithmetic number, because the mean of its divisors is an integer number (35264424).

Almost surely, 2^70528847 is an apocalyptic number.

70528847 is a deficient number, since it is larger than the sum of its proper divisors (1).

70528847 is an equidigital number, since it uses as much as digits as its factorization.

70528847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 70528847 is about 8398.1454500384. The cubic root of 70528847 is about 413.1637983326.

The spelling of 70528847 in words is "seventy million, five hundred twenty-eight thousand, eight hundred forty-seven".