47109730 has 16 divisors (see below), whose sum is σ = 86235840. Its totient is φ = 18524272.

The previous prime is 47109679. The next prime is 47109731. The reversal of 47109730 is 3790174.

It is a junction number, because it is equal to n+sod(n) for n = 47109692 and 47109701.

It is not an unprimeable number, because it can be changed into a prime (47109731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39334 + ... + 40513.

It is an arithmetic number, because the mean of its divisors is an integer number (5389740).

Almost surely, 2^47109730 is an apocalyptic number.

47109730 is a deficient number, since it is larger than the sum of its proper divisors (39126110).

47109730 is a wasteful number, since it uses less digits than its factorization.

47109730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79913.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 47109730 is about 6863.6528175600. The cubic root of 47109730 is about 361.1632383045.

The spelling of 47109730 in words is "forty-seven million, one hundred nine thousand, seven hundred thirty".