47276321 has 8 divisors (see below), whose sum is σ = 48583584. Its totient is φ = 45976480.

The previous prime is 47276309. The next prime is 47276353. The reversal of 47276321 is 12367274.

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 47276321 - 2¹⁰ = 47275297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47276381) 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, 12566 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (6072948).

Almost surely, 2^47276321 is an apocalyptic number.

47276321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47276321 is a deficient number, since it is larger than the sum of its proper divisors (1307263).

47276321 is a wasteful number, since it uses less digits than its factorization.

47276321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its digits is 14112, while the sum is 32.

The square root of 47276321 is about 6875.7778469058. Note that the first 3 decimals coincide. The cubic root of 47276321 is about 361.5884566408.

The spelling of 47276321 in words is "forty-seven million, two hundred seventy-six thousand, three hundred twenty-one".