47728726 has 16 divisors (see below), whose sum is σ = 76119264. Its totient is φ = 22394944.

The previous prime is 47728721. The next prime is 47728729. The reversal of 47728726 is 62782774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47728721) 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 7 ways as a sum of consecutive naturals, for example, 7351 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (4757454).

Almost surely, 2^47728726 is an apocalyptic number.

47728726 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47728726 is a deficient number, since it is larger than the sum of its proper divisors (28390538).

47728726 is a wasteful number, since it uses less digits than its factorization.

47728726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19655.

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

The square root of 47728726 is about 6908.5979764349. The cubic root of 47728726 is about 362.7381892367.

The spelling of 47728726 in words is "forty-seven million, seven hundred twenty-eight thousand, seven hundred twenty-six".