69930 has 64 divisors (see below), whose sum is σ = 218880. Its totient is φ = 15552.
The previous prime is 69929. The next prime is 69931. The reversal of 69930 is 3996.
It is an interprime number because it is at equal distance from previous prime (69929) and next prime (69931).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an Ulam number.
It is a Curzon number.
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 69894 and 69903.
It is not an unprimeable number, because it can be changed into a prime (69931) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1872 + ... + 1908.
It is an arithmetic number, because the mean of its divisors is an integer number (3420).
269930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109440).
69930 is an abundant number, since it is smaller than the sum of its proper divisors (148950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69930 is a wasteful number, since it uses less digits than its factorization.
69930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60 (or 54 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 69930 is about 264.4428104525. The cubic root of 69930 is about 41.1991107987.
It can be divided in two parts, 699 and 30, that added together give a 6-th power (729 = 36).
The spelling of 69930 in words is "sixty-nine thousand, nine hundred thirty".
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