70443727 has 2 divisors, whose sum is σ = 70443728. Its totient is φ = 70443726.

The previous prime is 70443721. The next prime is 70443739. The reversal of 70443727 is 72734407.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70443727 - 2¹⁹ = 69919439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70443692 and 70443701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70443721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35221863 + 35221864.

It is an arithmetic number, because the mean of its divisors is an integer number (35221864).

Almost surely, 2^70443727 is an apocalyptic number.

70443727 is a deficient number, since it is larger than the sum of its proper divisors (1).

70443727 is an equidigital number, since it uses as much as digits as its factorization.

70443727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 70443727 is about 8393.0761345290. The cubic root of 70443727 is about 412.9975180960.

The spelling of 70443727 in words is "seventy million, four hundred forty-three thousand, seven hundred twenty-seven".