32712457 has 2 divisors, whose sum is σ = 32712458. Its totient is φ = 32712456.

The previous prime is 32712443. The next prime is 32712467. The reversal of 32712457 is 75421723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18844281 + 13868176 = 4341^2 + 3724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32712457 is a prime.

It is not a weakly prime, because it can be changed into another prime (32712467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16356228 + 16356229.

It is an arithmetic number, because the mean of its divisors is an integer number (16356229).

Almost surely, 2^32712457 is an apocalyptic number.

It is an amenable number.

32712457 is a deficient number, since it is larger than the sum of its proper divisors (1).

32712457 is an equidigital number, since it uses as much as digits as its factorization.

32712457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 32712457 is about 5719.4804834006. The cubic root of 32712457 is about 319.8190937107.

The spelling of 32712457 in words is "thirty-two million, seven hundred twelve thousand, four hundred fifty-seven".