47720632 has 16 divisors (see below), whose sum is σ = 94739760. Its totient is φ = 22456704.

The previous prime is 47720627. The next prime is 47720657. The reversal of 47720632 is 23602774.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47720594 and 47720603.

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, 175308 + ... + 175579.

It is an arithmetic number, because the mean of its divisors is an integer number (5921235).

Almost surely, 2^47720632 is an apocalyptic number.

It is an amenable number.

47720632 is a deficient number, since it is larger than the sum of its proper divisors (47019128).

47720632 is a wasteful number, since it uses less digits than its factorization.

47720632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350910 (or 350906 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 47720632 is about 6908.0121598040. The cubic root of 47720632 is about 362.7176832847.

The spelling of 47720632 in words is "forty-seven million, seven hundred twenty thousand, six hundred thirty-two".