47421311 has 8 divisors (see below), whose sum is σ = 54938784. Its totient is φ = 40089600.

The previous prime is 47421299. The next prime is 47421337. The reversal of 47421311 is 11312474.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47421311 - 2¹⁰ = 47420287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421371) 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, 45890 + ... + 46911.

It is an arithmetic number, because the mean of its divisors is an integer number (6867348).

Almost surely, 2^47421311 is an apocalyptic number.

47421311 is a deficient number, since it is larger than the sum of its proper divisors (7517473).

47421311 is an equidigital number, since it uses as much as digits as its factorization.

47421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92881.

The product of its digits is 672, while the sum is 23.

The square root of 47421311 is about 6886.3133097471. The cubic root of 47421311 is about 361.9577268179.

Adding to 47421311 its reverse (11312474), we get a palindrome (58733785).

The spelling of 47421311 in words is "forty-seven million, four hundred twenty-one thousand, three hundred eleven".