70004 has 24 divisors (see below), whose sum is σ = 140448.
Its totient is φ = 30240.
The previous prime is 70003. The next prime is 70009. The reversal of 70004 is 40007.
It is a Harshad number since it is a multiple of its sum of digits (11).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607 + ... + 1649.
It is an arithmetic number, because the mean of its divisors is an integer number (5852).
270004 is an apocalyptic number.
70004 is a gapful number since it is divisible by the number (74) formed by its first and last digit.
It is an amenable number.
70004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70224).
70004 is a wasteful number, since it uses less digits than its factorization.
70004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95 (or 93 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 11.
The square root of 70004 is about 264.5826902879.
The cubic root of 70004 is about 41.2136379899.
Adding to 70004 its reverse (40007), we get a palindrome (110011).
The spelling of 70004 in words is "seventy thousand, four", and thus it is an iban number.