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70038667 is a prime number
BaseRepresentation
bin1000010110010…
…11010010001011
311212210022222201
410023023102023
5120412214132
610541101031
71510214236
oct413132213
9155708881
1070038667
11365980a6
121b557777
13116832ca
14943241d
1562372e7
hex42cb48b

70038667 has 2 divisors, whose sum is σ = 70038668. Its totient is φ = 70038666.

The previous prime is 70038659. The next prime is 70038679. The reversal of 70038667 is 76683007.

It is a weak prime.

It is an emirp because it is prime and its reverse (76683007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70038667 - 23 = 70038659 is a prime.

It is not a weakly prime, because it can be changed into another prime (70038167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35019333 + 35019334.

It is an arithmetic number, because the mean of its divisors is an integer number (35019334).

Almost surely, 270038667 is an apocalyptic number.

70038667 is a deficient number, since it is larger than the sum of its proper divisors (1).

70038667 is an equidigital number, since it uses as much as digits as its factorization.

70038667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 70038667 is about 8368.9107415481. The cubic root of 70038667 is about 412.2044006501.

The spelling of 70038667 in words is "seventy million, thirty-eight thousand, six hundred sixty-seven".