677228272 has 30 divisors (see below), whose sum is σ = 1500186968. Its totient is φ = 290122656.

The previous prime is 677228239. The next prime is 677228273. The reversal of 677228272 is 272822776.

It is a happy number.

It is a super-2 number, since 2×677228272² = 917276264792211968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677228273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274179 + ... + 276637.

Almost surely, 2^677228272 is an apocalyptic number.

It is an amenable number.

677228272 is an abundant number, since it is smaller than the sum of its proper divisors (822958696).

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

677228272 is an frugal number, since it uses more digits than its factorization.

677228272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933 (or 2468 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 677228272 is about 26023.6098956313. The cubic root of 677228272 is about 878.1695215279.

The spelling of 677228272 in words is "six hundred seventy-seven million, two hundred twenty-eight thousand, two hundred seventy-two".