612672271 has 4 divisors (see below), whose sum is σ = 644918200. Its totient is φ = 580426344.

The previous prime is 612672259. The next prime is 612672311. The reversal of 612672271 is 172276216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612672271 - 2⁵ = 612672239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612672211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16122936 + ... + 16122973.

It is an arithmetic number, because the mean of its divisors is an integer number (161229550).

Almost surely, 2^612672271 is an apocalyptic number.

612672271 is a deficient number, since it is larger than the sum of its proper divisors (32245929).

612672271 is a wasteful number, since it uses less digits than its factorization.

612672271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32245928.

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

The square root of 612672271 is about 24752.2174966204. The cubic root of 612672271 is about 849.3292382941.

The spelling of 612672271 in words is "six hundred twelve million, six hundred seventy-two thousand, two hundred seventy-one".