70974529 has 2 divisors, whose sum is σ = 70974530. Its totient is φ = 70974528.

The previous prime is 70974523. The next prime is 70974551. The reversal of 70974529 is 92547907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56927025 + 14047504 = 7545^2 + 3748^2 .

It is a cyclic number.

It is not a de Polignac number, because 70974529 - 2³ = 70974521 is a prime.

It is not a weakly prime, because it can be changed into another prime (70974521) 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, 35487264 + 35487265.

It is an arithmetic number, because the mean of its divisors is an integer number (35487265).

Almost surely, 2^70974529 is an apocalyptic number.

It is an amenable number.

70974529 is a deficient number, since it is larger than the sum of its proper divisors (1).

70974529 is an equidigital number, since it uses as much as digits as its factorization.

70974529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 70974529 is about 8424.6382118166. The cubic root of 70974529 is about 414.0322522269.

The spelling of 70974529 in words is "seventy million, nine hundred seventy-four thousand, five hundred twenty-nine".