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70874371 is a prime number
BaseRepresentation
bin1000011100101…
…11010100000011
311221100210100201
410032113110003
5121120434441
611011030031
71520264551
oct416272403
9157323321
1070874371
1137008a67
121b89b317
13118b67c9
1495acbd1
15634ec31
hex4397503

70874371 has 2 divisors, whose sum is σ = 70874372. Its totient is φ = 70874370.

The previous prime is 70874357. The next prime is 70874387. The reversal of 70874371 is 17347807.

It is a weak prime.

It is an emirp because it is prime and its reverse (17347807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70874371 - 211 = 70872323 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70874371.

It is not a weakly prime, because it can be changed into another prime (70874341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35437185 + 35437186.

It is an arithmetic number, because the mean of its divisors is an integer number (35437186).

Almost surely, 270874371 is an apocalyptic number.

70874371 is a deficient number, since it is larger than the sum of its proper divisors (1).

70874371 is an equidigital number, since it uses as much as digits as its factorization.

70874371 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 37.

The square root of 70874371 is about 8418.6917629760. The cubic root of 70874371 is about 413.8374022114.

The spelling of 70874371 in words is "seventy million, eight hundred seventy-four thousand, three hundred seventy-one".