70744529 has 2 divisors, whose sum is σ = 70744530. Its totient is φ = 70744528.

The previous prime is 70744507. The next prime is 70744537. The reversal of 70744529 is 92544707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 5053504 = 8105^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 70744529 - 2⁸ = 70744273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70744492 and 70744501.

It is not a weakly prime, because it can be changed into another prime (70741529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35372264 + 35372265.

It is an arithmetic number, because the mean of its divisors is an integer number (35372265).

Almost surely, 2^70744529 is an apocalyptic number.

It is an amenable number.

70744529 is a deficient number, since it is larger than the sum of its proper divisors (1).

70744529 is an equidigital number, since it uses as much as digits as its factorization.

70744529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 70744529 is about 8410.9766971500. The cubic root of 70744529 is about 413.5845307246.

The spelling of 70744529 in words is "seventy million, seven hundred forty-four thousand, five hundred twenty-nine".