70447141 has 2 divisors, whose sum is σ = 70447142. Its totient is φ = 70447140.

The previous prime is 70447081. The next prime is 70447171. The reversal of 70447141 is 14174407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 26224641 = 6650^2 + 5121^2 .

It is a cyclic number.

It is not a de Polignac number, because 70447141 - 2¹⁵ = 70414373 is a prime.

It is equal to p_4142881 and since 70447141 and 4142881 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70447171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35223570 + 35223571.

It is an arithmetic number, because the mean of its divisors is an integer number (35223571).

Almost surely, 2^70447141 is an apocalyptic number.

It is an amenable number.

70447141 is a deficient number, since it is larger than the sum of its proper divisors (1).

70447141 is an equidigital number, since it uses as much as digits as its factorization.

70447141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 70447141 is about 8393.2795139921. The cubic root of 70447141 is about 413.0041898552.

The spelling of 70447141 in words is "seventy million, four hundred forty-seven thousand, one hundred forty-one".