276472128 has 56 divisors (see below), whose sum is σ = 738030528. Its totient is φ = 91334656.

The previous prime is 276472081. The next prime is 276472129. The reversal of 276472128 is 821274672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276472129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15325 + ... + 28067.

Almost surely, 2^276472128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276472128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369015264).

276472128 is an abundant number, since it is smaller than the sum of its proper divisors (461558400).

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

276472128 is a wasteful number, since it uses less digits than its factorization.

276472128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871 (or 12861 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 276472128 is about 16627.4510373659. The cubic root of 276472128 is about 651.4540450840.

The spelling of 276472128 in words is "two hundred seventy-six million, four hundred seventy-two thousand, one hundred twenty-eight".