217483070 has 48 divisors (see below), whose sum is σ = 460591920. Its totient is φ = 73713024.

The previous prime is 217483067. The next prime is 217483081. The reversal of 217483070 is 70384712.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41117 + ... + 46103.

It is an arithmetic number, because the mean of its divisors is an integer number (9595665).

Almost surely, 2^217483070 is an apocalyptic number.

217483070 is an abundant number, since it is smaller than the sum of its proper divisors (243108850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

217483070 is a wasteful number, since it uses less digits than its factorization.

217483070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 217483070 is about 14747.3072118268. The cubic root of 217483070 is about 601.3700820403.

The spelling of 217483070 in words is "two hundred seventeen million, four hundred eighty-three thousand, seventy".