47729275 has 12 divisors (see below), whose sum is σ = 64565064. Its totient is φ = 34712000.

The previous prime is 47729261. The next prime is 47729287. The reversal of 47729275 is 57292774.

It is not a de Polignac number, because 47729275 - 2⁷ = 47729147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86506 + ... + 87055.

It is an arithmetic number, because the mean of its divisors is an integer number (5380422).

Almost surely, 2^47729275 is an apocalyptic number.

47729275 is a deficient number, since it is larger than the sum of its proper divisors (16835789).

47729275 is a wasteful number, since it uses less digits than its factorization.

47729275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173582 (or 173577 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 47729275 is about 6908.6377094186. The cubic root of 47729275 is about 362.7395800308.

The spelling of 47729275 in words is "forty-seven million, seven hundred twenty-nine thousand, two hundred seventy-five".