47132724 has 12 divisors (see below), whose sum is σ = 109976384. Its totient is φ = 15710904.

The previous prime is 47132719. The next prime is 47132731. The reversal of 47132724 is 42723174.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 47132691 and 47132700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963852 + ... + 1963875.

Almost surely, 2^47132724 is an apocalyptic number.

It is an amenable number.

47132724 is an abundant number, since it is smaller than the sum of its proper divisors (62843660).

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

47132724 is a wasteful number, since it uses less digits than its factorization.

47132724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927734 (or 3927732 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 47132724 is about 6865.3276688007. The cubic root of 47132724 is about 361.2219893433.

Adding to 47132724 its reverse (42723174), we get a palindrome (89855898).

The spelling of 47132724 in words is "forty-seven million, one hundred thirty-two thousand, seven hundred twenty-four".