47490111 has 8 divisors (see below), whose sum is σ = 70355760. Its totient is φ = 31660056.

The previous prime is 47490097. The next prime is 47490119. The reversal of 47490111 is 11109474.

It is not a de Polignac number, because 47490111 - 2¹⁰ = 47489087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1758893 = 47490111 / (4 + 7 + 4 + 9 + 0 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47490119) 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, 879420 + ... + 879473.

It is an arithmetic number, because the mean of its divisors is an integer number (8794470).

Almost surely, 2^47490111 is an apocalyptic number.

47490111 is a deficient number, since it is larger than the sum of its proper divisors (22865649).

47490111 is a wasteful number, since it uses less digits than its factorization.

47490111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758902 (or 1758896 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 47490111 is about 6891.3069152375. The cubic root of 47490111 is about 362.1326879456.

Adding to 47490111 its reverse (11109474), we get a palindrome (58599585).

The spelling of 47490111 in words is "forty-seven million, four hundred ninety thousand, one hundred eleven".