70093729 has 2 divisors, whose sum is σ = 70093730. Its totient is φ = 70093728.

The previous prime is 70093643. The next prime is 70093733. The reversal of 70093729 is 92739007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 3508129 = 8160^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 70093729 - 2¹³ = 70085537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70093739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35046864 + 35046865.

It is an arithmetic number, because the mean of its divisors is an integer number (35046865).

Almost surely, 2^70093729 is an apocalyptic number.

It is an amenable number.

70093729 is a deficient number, since it is larger than the sum of its proper divisors (1).

70093729 is an equidigital number, since it uses as much as digits as its factorization.

70093729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 70093729 is about 8372.1997706696. The cubic root of 70093729 is about 412.3123926801.

The spelling of 70093729 in words is "seventy million, ninety-three thousand, seven hundred twenty-nine".