Search a number
-
+
70407907 is a prime number
BaseRepresentation
bin1000011001001…
…01011011100011
311220111002111021
410030211123203
5121011023112
610553030311
71513312603
oct414453343
9156432437
1070407907
113681a559
121b6b5397
13117823ab
1494cac03
1562ab907
hex43256e3

70407907 has 2 divisors, whose sum is σ = 70407908. Its totient is φ = 70407906.

The previous prime is 70407893. The next prime is 70407917. The reversal of 70407907 is 70970407.

It is a strong prime.

It is an emirp because it is prime and its reverse (70970407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70407907 - 223 = 62019299 is a prime.

It is not a weakly prime, because it can be changed into another prime (70407917) 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, 35203953 + 35203954.

It is an arithmetic number, because the mean of its divisors is an integer number (35203954).

Almost surely, 270407907 is an apocalyptic number.

70407907 is a deficient number, since it is larger than the sum of its proper divisors (1).

70407907 is an equidigital number, since it uses as much as digits as its factorization.

70407907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 70407907 is about 8390.9419614248. The cubic root of 70407907 is about 412.9275043896.

Subtracting 70407907 from its reverse (70970407), we obtain a square (562500 = 7502).

The spelling of 70407907 in words is "seventy million, four hundred seven thousand, nine hundred seven".