612727216 has 20 divisors (see below), whose sum is σ = 1187818072. Its totient is φ = 306193536.

The previous prime is 612727211. The next prime is 612727267.

612727216 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×612727216² = 750869282454221312, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (612727211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22156 + ... + 41428.

Almost surely, 2^612727216 is an apocalyptic number.

It is an amenable number.

612727216 is a deficient number, since it is larger than the sum of its proper divisors (575090856).

612727216 is a wasteful number, since it uses less digits than its factorization.

612727216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21268 (or 21262 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 612727216 is about 24753.3273722948. The cubic root of 612727216 is about 849.3546270717.

The spelling of 612727216 in words is "six hundred twelve million, seven hundred twenty-seven thousand, two hundred sixteen".