47793321 has 10 divisors (see below), whose sum is σ = 71395082. Its totient is φ = 31862160.

The previous prime is 47793299. The next prime is 47793329. The reversal of 47793321 is 12339774.

It can be written as a sum of positive squares in only one way, i.e., 39237696 + 8555625 = 6264^2 + 2925^2 .

It is not a de Polignac number, because 47793321 - 2⁶ = 47793257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47793329) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 294940 + ... + 295101.

Almost surely, 2^47793321 is an apocalyptic number.

It is an amenable number.

47793321 is a deficient number, since it is larger than the sum of its proper divisors (23601761).

47793321 is an equidigital number, since it uses as much as digits as its factorization.

47793321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590053 (or 590044 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 47793321 is about 6913.2713674497. The cubic root of 47793321 is about 362.9017560783.

It can be divided in two parts, 4779 and 3321, that added together give a square (8100 = 90²).

The spelling of 47793321 in words is "forty-seven million, seven hundred ninety-three thousand, three hundred twenty-one".