51276672 has 128 divisors (see below), whose sum is σ = 155815200. Its totient is φ = 16588800.

The previous prime is 51276629. The next prime is 51276677. The reversal of 51276672 is 27667215.

51276672 is a `hidden beast` number, since 512 + 76 + 6 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127672 + ... + 128072.

Almost surely, 2^51276672 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 51276672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77907600).

51276672 is an abundant number, since it is smaller than the sum of its proper divisors (104538528).

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

51276672 is a wasteful number, since it uses less digits than its factorization.

51276672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 443 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 51276672 is about 7160.7731426153. The cubic root of 51276672 is about 371.5123683574.

The spelling of 51276672 in words is "fifty-one million, two hundred seventy-six thousand, six hundred seventy-two".