517072330 has 16 divisors (see below), whose sum is σ = 934907904. Its totient is φ = 205900560.

The previous prime is 517072273. The next prime is 517072337. The reversal of 517072330 is 33270715.

517072330 = 271² + 272² + ... + 1162².

It is not an unprimeable number, because it can be changed into a prime (517072337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113706 + ... + 118165.

It is an arithmetic number, because the mean of its divisors is an integer number (58431744).

Almost surely, 2^517072330 is an apocalyptic number.

517072330 is a deficient number, since it is larger than the sum of its proper divisors (417835574).

517072330 is a wasteful number, since it uses less digits than its factorization.

517072330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232101.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 517072330 is about 22739.2244810592. The cubic root of 517072330 is about 802.6331621044.

The spelling of 517072330 in words is "five hundred seventeen million, seventy-two thousand, three hundred thirty".