70307047 has 2 divisors, whose sum is σ = 70307048. Its totient is φ = 70307046.

The previous prime is 70307023. The next prime is 70307057. The reversal of 70307047 is 74070307.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70307047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70307057) 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, 35153523 + 35153524.

It is an arithmetic number, because the mean of its divisors is an integer number (35153524).

Almost surely, 2^70307047 is an apocalyptic number.

70307047 is a deficient number, since it is larger than the sum of its proper divisors (1).

70307047 is an equidigital number, since it uses as much as digits as its factorization.

70307047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 70307047 is about 8384.9297552216. The cubic root of 70307047 is about 412.7302359638.

The spelling of 70307047 in words is "seventy million, three hundred seven thousand, forty-seven".