47241819 has 8 divisors (see below), whose sum is σ = 69987920. Its totient is φ = 31494528.

The previous prime is 47241787. The next prime is 47241829. The reversal of 47241819 is 91814274.

47241819 is a `hidden beast` number, since 472 + 4 + 181 + 9 = 666.

It is not a de Polignac number, because 47241819 - 2⁵ = 47241787 is a prime.

It is a super-2 number, since 2×47241819² = 4463578924857522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47241829) 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, 874822 + ... + 874875.

It is an arithmetic number, because the mean of its divisors is an integer number (8748490).

Almost surely, 2^47241819 is an apocalyptic number.

47241819 is a deficient number, since it is larger than the sum of its proper divisors (22746101).

47241819 is a wasteful number, since it uses less digits than its factorization.

47241819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749706 (or 1749700 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 47241819 is about 6873.2684364864. The cubic root of 47241819 is about 361.5004734761.

The spelling of 47241819 in words is "forty-seven million, two hundred forty-one thousand, eight hundred nineteen".