70487941 has 2 divisors, whose sum is σ = 70487942. Its totient is φ = 70487940.

The previous prime is 70487917. The next prime is 70487957. The reversal of 70487941 is 14978407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 16524225 = 7346^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 70487941 - 2¹³ = 70479749 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70487894 and 70487903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70487141) 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, 35243970 + 35243971.

It is an arithmetic number, because the mean of its divisors is an integer number (35243971).

Almost surely, 2^70487941 is an apocalyptic number.

It is an amenable number.

70487941 is a deficient number, since it is larger than the sum of its proper divisors (1).

70487941 is an equidigital number, since it uses as much as digits as its factorization.

70487941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 70487941 is about 8395.7096781630. The cubic root of 70487941 is about 413.0839059786.

The spelling of 70487941 in words is "seventy million, four hundred eighty-seven thousand, nine hundred forty-one".