217713034 has 72 divisors (see below), whose sum is σ = 432211104. Its totient is φ = 79900800.

The previous prime is 217712983. The next prime is 217713047. The reversal of 217713034 is 430317712.

It is a junction number, because it is equal to n+sod(n) for n = 217712993 and 217713011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5310054 + ... + 5310094.

It is an arithmetic number, because the mean of its divisors is an integer number (6002932).

Almost surely, 2^217713034 is an apocalyptic number.

217713034 is a deficient number, since it is larger than the sum of its proper divisors (214498070).

217713034 is a wasteful number, since it uses less digits than its factorization.

217713034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 217713034 is about 14755.1019650831. The cubic root of 217713034 is about 601.5819678894.

The spelling of 217713034 in words is "two hundred seventeen million, seven hundred thirteen thousand, thirty-four".