47724790 has 8 divisors (see below), whose sum is σ = 85904640. Its totient is φ = 19089912.

The previous prime is 47724773. The next prime is 47724799. The reversal of 47724790 is 9742774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47724799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386230 + ... + 2386249.

It is an arithmetic number, because the mean of its divisors is an integer number (10738080).

Almost surely, 2^47724790 is an apocalyptic number.

47724790 is a deficient number, since it is larger than the sum of its proper divisors (38179850).

47724790 is a wasteful number, since it uses less digits than its factorization.

47724790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772486.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 47724790 is about 6908.3131081328. The cubic root of 47724790 is about 362.7282177661.

The spelling of 47724790 in words is "forty-seven million, seven hundred twenty-four thousand, seven hundred ninety".