47276421 has 8 divisors (see below), whose sum is σ = 63263904. Its totient is φ = 31403280.

The previous prime is 47276401. The next prime is 47276423. The reversal of 47276421 is 12467274.

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

It is not a de Polignac number, because 47276421 - 2⁹ = 47275909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47276423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27615 + ... + 29276.

It is an arithmetic number, because the mean of its divisors is an integer number (7907988).

Almost surely, 2^47276421 is an apocalyptic number.

It is an amenable number.

47276421 is a deficient number, since it is larger than the sum of its proper divisors (15987483).

47276421 is a wasteful number, since it uses less digits than its factorization.

47276421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57171.

The product of its digits is 18816, while the sum is 33.

The square root of 47276421 is about 6875.7851188064. The cubic root of 47276421 is about 361.5887115875.

The spelling of 47276421 in words is "forty-seven million, two hundred seventy-six thousand, four hundred twenty-one".