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70063837 is a prime number
BaseRepresentation
bin1000010110100…
…01011011011101
311212211121111221
410023101123131
5120414020322
610541413341
71510350514
oct413213335
9155747457
1070063837
1136604aa8
121b56a251
13116918bc
14943b67b
15623e9c7
hex42d16dd

70063837 has 2 divisors, whose sum is σ = 70063838. Its totient is φ = 70063836.

The previous prime is 70063831. The next prime is 70063841. The reversal of 70063837 is 73836007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65108761 + 4955076 = 8069^2 + 2226^2 .

It is a cyclic number.

It is not a de Polignac number, because 70063837 - 215 = 70031069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70063831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35031918 + 35031919.

It is an arithmetic number, because the mean of its divisors is an integer number (35031919).

Almost surely, 270063837 is an apocalyptic number.

It is an amenable number.

70063837 is a deficient number, since it is larger than the sum of its proper divisors (1).

70063837 is an equidigital number, since it uses as much as digits as its factorization.

70063837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70063837 is about 8370.4143863969. The cubic root of 70063837 is about 412.2537731020.

The spelling of 70063837 in words is "seventy million, sixty-three thousand, eight hundred thirty-seven".