8332731421 has 16 divisors (see below), whose sum is σ = 9560355840. Its totient is φ = 7114475520.

The previous prime is 8332731419. The next prime is 8332731439. The reversal of 8332731421 is 1241372338.

It is a cyclic number.

It is not a de Polignac number, because 8332731421 - 2¹ = 8332731419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332731461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147335 + ... + 2151211.

It is an arithmetic number, because the mean of its divisors is an integer number (597522240).

Almost surely, 2^8332731421 is an apocalyptic number.

It is an amenable number.

8332731421 is a deficient number, since it is larger than the sum of its proper divisors (1227624419).

8332731421 is a wasteful number, since it uses less digits than its factorization.

8332731421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004.

The product of its digits is 24192, while the sum is 34.

The square root of 8332731421 is about 91283.7960483678. The cubic root of 8332731421 is about 2027.3518513172.

The spelling of 8332731421 in words is "eight billion, three hundred thirty-two million, seven hundred thirty-one thousand, four hundred twenty-one".