32672639 has 2 divisors, whose sum is σ = 32672640. Its totient is φ = 32672638.

The previous prime is 32672603. The next prime is 32672663. The reversal of 32672639 is 93627623.

It is a strong prime.

It is an emirp because it is prime and its reverse (93627623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32672639 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32672669) 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 as a sum of consecutive naturals, namely, 16336319 + 16336320.

It is an arithmetic number, because the mean of its divisors is an integer number (16336320).

Almost surely, 2^32672639 is an apocalyptic number.

32672639 is a deficient number, since it is larger than the sum of its proper divisors (1).

32672639 is an equidigital number, since it uses as much as digits as its factorization.

32672639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 32672639 is about 5715.9985129459. The cubic root of 32672639 is about 319.6892784637.

The spelling of 32672639 in words is "thirty-two million, six hundred seventy-two thousand, six hundred thirty-nine".