70545847 has 2 divisors, whose sum is σ = 70545848. Its totient is φ = 70545846.

The previous prime is 70545823. The next prime is 70545851. The reversal of 70545847 is 74854507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70545847 - 2¹¹ = 70543799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70545817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35272923 + 35272924.

It is an arithmetic number, because the mean of its divisors is an integer number (35272924).

Almost surely, 2^70545847 is an apocalyptic number.

70545847 is a deficient number, since it is larger than the sum of its proper divisors (1).

70545847 is an equidigital number, since it uses as much as digits as its factorization.

70545847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 70545847 is about 8399.1575172752. The cubic root of 70545847 is about 413.1969914662.

The spelling of 70545847 in words is "seventy million, five hundred forty-five thousand, eight hundred forty-seven".