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70212743 is a prime number
BaseRepresentation
bin1000010111101…
…01110010000111
311220010011202222
410023311302013
5120433301433
610544522555
71511540606
oct413656207
9156104688
1070212743
11366a6967
121b62045b
1311714603
149479a3d
15626db98
hex42f5c87

70212743 has 2 divisors, whose sum is σ = 70212744. Its totient is φ = 70212742.

The previous prime is 70212707. The next prime is 70212761. The reversal of 70212743 is 34721207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70212743 - 28 = 70212487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70212763) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35106371 + 35106372.

It is an arithmetic number, because the mean of its divisors is an integer number (35106372).

Almost surely, 270212743 is an apocalyptic number.

70212743 is a deficient number, since it is larger than the sum of its proper divisors (1).

70212743 is an equidigital number, since it uses as much as digits as its factorization.

70212743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70212743 is about 8379.3044460743. The cubic root of 70212743 is about 412.5456194419.

The spelling of 70212743 in words is "seventy million, two hundred twelve thousand, seven hundred forty-three".