51276726 has 80 divisors (see below), whose sum is σ = 124773264. Its totient is φ = 15676416.

The previous prime is 51276713. The next prime is 51276749. The reversal of 51276726 is 62767215.

51276726 is a `hidden beast` number, since 512 + 76 + 72 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 118206 + ... + 118638.

Almost surely, 2^51276726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51276726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62386632).

51276726 is an abundant number, since it is smaller than the sum of its proper divisors (73496538).

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

51276726 is a wasteful number, since it uses less digits than its factorization.

51276726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 498 counting only the distinct ones).

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

The square root of 51276726 is about 7160.7769131568. The cubic root of 51276726 is about 371.5124987719.

The spelling of 51276726 in words is "fifty-one million, two hundred seventy-six thousand, seven hundred twenty-six".