6723472531 has 2 divisors, whose sum is σ = 6723472532. Its totient is φ = 6723472530.

The previous prime is 6723472489. The next prime is 6723472537. The reversal of 6723472531 is 1352743276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6723472531 - 2¹³ = 6723464339 is a prime.

It is a super-2 number, since 2×6723472531² = 90410165750223091922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6723472537) 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 as a sum of consecutive naturals, namely, 3361736265 + 3361736266.

It is an arithmetic number, because the mean of its divisors is an integer number (3361736266).

Almost surely, 2^6723472531 is an apocalyptic number.

6723472531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723472531 is an equidigital number, since it uses as much as digits as its factorization.

6723472531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 6723472531 is about 81996.7836625315. The cubic root of 6723472531 is about 1887.4025825546.

The spelling of 6723472531 in words is "six billion, seven hundred twenty-three million, four hundred seventy-two thousand, five hundred thirty-one".