47728734 has 16 divisors (see below), whose sum is σ = 95610240. Its totient is φ = 15884120.

The previous prime is 47728729. The next prime is 47728771. The reversal of 47728734 is 43782774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082 + ... + 9989.

It is an arithmetic number, because the mean of its divisors is an integer number (5975640).

Almost surely, 2^47728734 is an apocalyptic number.

47728734 is an abundant number, since it is smaller than the sum of its proper divisors (47881506).

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

47728734 is a wasteful number, since it uses less digits than its factorization.

47728734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735.

The product of its digits is 263424, while the sum is 42.

The square root of 47728734 is about 6908.5985554235. The cubic root of 47728734 is about 362.7382095033.

The spelling of 47728734 in words is "forty-seven million, seven hundred twenty-eight thousand, seven hundred thirty-four".