542070 has 48 divisors (see below), whose sum is σ = 1488240. Its totient is φ = 136512.
The previous prime is 542063. The next prime is 542071. The reversal of 542070 is 70245.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nialpdrome in base 15.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542070.
It is not an unprimeable number, because it can be changed into a prime (542071) by changing a digit.
542070 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 23 ways as a sum of consecutive naturals, for example, 1552 + ... + 1868.
It is an arithmetic number, because the mean of its divisors is an integer number (31005).
2542070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 542070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744120).
542070 is an abundant number, since it is smaller than the sum of its proper divisors (946170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542070 is a wasteful number, since it uses less digits than its factorization.
542070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349 (or 346 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 542070 is about 736.2540322470. The cubic root of 542070 is about 81.5364484994.
The spelling of 542070 in words is "five hundred forty-two thousand, seventy".
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