73070 has 8 divisors (see below), whose sum is σ = 131544. Its totient is φ = 29224.
The previous prime is 73063. The next prime is 73079. The reversal of 73070 is 7037.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73079) by changing a digit.
73070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644 + ... + 3663.
It is an arithmetic number, because the mean of its divisors is an integer number (16443).
273070 is an apocalyptic number.
73070 is a deficient number, since it is larger than the sum of its proper divisors (58474).
73070 is a wasteful number, since it uses less digits than its factorization.
73070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7314.
The product of its (nonzero) digits is 147, while the sum is 17.
The square root of 73070 is about 270.3146314945. The cubic root of 73070 is about 41.8067463146.
The spelling of 73070 in words is "seventy-three thousand, seventy", and thus it is an iban number.
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