47507109 has 8 divisors (see below), whose sum is σ = 68215392. Its totient is φ = 29235120.

The previous prime is 47507107. The next prime is 47507111. The reversal of 47507109 is 90170574.

It is an interprime number because it is at equal distance from previous prime (47507107) and next prime (47507111).

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

It is not a de Polignac number, because 47507109 - 2¹ = 47507107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47507109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47507107) 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, 609027 + ... + 609104.

It is an arithmetic number, because the mean of its divisors is an integer number (8526924).

Almost surely, 2^47507109 is an apocalyptic number.

It is an amenable number.

47507109 is a deficient number, since it is larger than the sum of its proper divisors (20708283).

47507109 is a wasteful number, since it uses less digits than its factorization.

47507109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218147.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 47507109 is about 6892.5400978159. The cubic root of 47507109 is about 362.1758884986.

The spelling of 47507109 in words is "forty-seven million, five hundred seven thousand, one hundred nine".