47739285 has 24 divisors (see below), whose sum is σ = 90271584. Its totient is φ = 23146080.

The previous prime is 47739269. The next prime is 47739311. The reversal of 47739285 is 58293774.

47739285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47739285 - 2⁴ = 47739269 is a prime.

It is a super-2 number, since 2×47739285² = 4558078664622450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47739285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47727 + ... + 48716.

It is an arithmetic number, because the mean of its divisors is an integer number (3761316).

Almost surely, 2^47739285 is an apocalyptic number.

47739285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47739285 is a deficient number, since it is larger than the sum of its proper divisors (42532299).

47739285 is a wasteful number, since it uses less digits than its factorization.

47739285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96465 (or 96462 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 47739285 is about 6909.3621268537. The cubic root of 47739285 is about 362.7649367215.

The spelling of 47739285 in words is "forty-seven million, seven hundred thirty-nine thousand, two hundred eighty-five".