47749952 has 28 divisors (see below), whose sum is σ = 96962976. Its totient is φ = 23318400.

The previous prime is 47749883. The next prime is 47749963. The reversal of 47749952 is 25994774.

It is a junction number, because it is equal to n+sod(n) for n = 47749897 and 47749906.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5924 + ... + 11427.

Almost surely, 2^47749952 is an apocalyptic number.

It is an amenable number.

47749952 is an abundant number, since it is smaller than the sum of its proper divisors (49213024).

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

47749952 is a wasteful number, since it uses less digits than its factorization.

47749952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406 (or 17396 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 47749952 is about 6910.1340073836. The cubic root of 47749952 is about 362.7919537817.

The spelling of 47749952 in words is "forty-seven million, seven hundred forty-nine thousand, nine hundred fifty-two".