77230 has 8 divisors (see below), whose sum is σ = 139032. Its totient is φ = 30888.
The previous prime is 77213. The next prime is 77237. The reversal of 77230 is 3277.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 77198 and 77207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852 + ... + 3871.
It is an arithmetic number, because the mean of its divisors is an integer number (17379).
277230 is an apocalyptic number.
77230 is a deficient number, since it is larger than the sum of its proper divisors (61802).
77230 is a wasteful number, since it uses less digits than its factorization.
77230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7730.
The product of its (nonzero) digits is 294, while the sum is 19.
The square root of 77230 is about 277.9028607265. The cubic root of 77230 is about 42.5855255842.
The spelling of 77230 in words is "seventy-seven thousand, two hundred thirty".
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