15672733 has 2 divisors, whose sum is σ = 15672734. Its totient is φ = 15672732.

The previous prime is 15672697. The next prime is 15672737. The reversal of 15672733 is 33727651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15657849 + 14884 = 3957^2 + 122^2 .

It is an emirp because it is prime and its reverse (33727651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15672733 - 2⁹ = 15672221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15672737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836366 + 7836367.

It is an arithmetic number, because the mean of its divisors is an integer number (7836367).

Almost surely, 2^15672733 is an apocalyptic number.

It is an amenable number.

15672733 is a deficient number, since it is larger than the sum of its proper divisors (1).

15672733 is an equidigital number, since it uses as much as digits as its factorization.

15672733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 34.

The square root of 15672733 is about 3958.8802709857. The cubic root of 15672733 is about 250.2543172033.

The spelling of 15672733 in words is "fifteen million, six hundred seventy-two thousand, seven hundred thirty-three".