47730015 has 24 divisors (see below), whose sum is σ = 83060640. Its totient is φ = 25354944.

The previous prime is 47729953. The next prime is 47730031. The reversal of 47730015 is 51003774.

It is not a de Polignac number, because 47730015 - 2¹⁶ = 47664479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10134 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (3460860).

Almost surely, 2^47730015 is an apocalyptic number.

47730015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47730015 is a deficient number, since it is larger than the sum of its proper divisors (35330625).

47730015 is a wasteful number, since it uses less digits than its factorization.

47730015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 47730015 is about 6908.6912653555. The cubic root of 47730015 is about 362.7414546728.

Adding to 47730015 its reverse (51003774), we get a palindrome (98733789).

The spelling of 47730015 in words is "forty-seven million, seven hundred thirty thousand, fifteen".