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70825379 is a prime number
BaseRepresentation
bin1000011100010…
…11010110100011
311221021022011012
410032023112203
5121112403004
611010011135
71520001662
oct416132643
9157238135
1070825379
1136a85179
121b876aab
131189a411
149598dd9
15634046e
hex438b5a3

70825379 has 2 divisors, whose sum is σ = 70825380. Its totient is φ = 70825378.

The previous prime is 70825319. The next prime is 70825387. The reversal of 70825379 is 97352807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70825379 - 220 = 69776803 is a prime.

It is not a weakly prime, because it can be changed into another prime (70825309) 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, 35412689 + 35412690.

It is an arithmetic number, because the mean of its divisors is an integer number (35412690).

Almost surely, 270825379 is an apocalyptic number.

70825379 is a deficient number, since it is larger than the sum of its proper divisors (1).

70825379 is an equidigital number, since it uses as much as digits as its factorization.

70825379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 70825379 is about 8415.7815442180. The cubic root of 70825379 is about 413.7420250195.

The spelling of 70825379 in words is "seventy million, eight hundred twenty-five thousand, three hundred seventy-nine".