70147 has 8 divisors (see below), whose sum is σ = 87552. Its totient is φ = 54600.
The previous prime is 70141. The next prime is 70157. The reversal of 70147 is 74107.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70147 - 23 = 70139 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 532.
It is an arithmetic number, because the mean of its divisors is an integer number (10944).
270147 is an apocalyptic number.
70147 is a gapful number since it is divisible by the number (77) formed by its first and last digit.
70147 is a deficient number, since it is larger than the sum of its proper divisors (17405).
70147 is a wasteful number, since it uses less digits than its factorization.
70147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929.
The product of its (nonzero) digits is 196, while the sum is 19.
The square root of 70147 is about 264.8527893000. The cubic root of 70147 is about 41.2416818244.
It can be divided in two parts, 7014 and 7, that added together give a triangular number (7021 = T118).
The spelling of 70147 in words is "seventy thousand, one hundred forty-seven", and thus it is an iban number.
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