15734993 has 2 divisors, whose sum is σ = 15734994. Its totient is φ = 15734992.

The previous prime is 15734969. The next prime is 15735007. The reversal of 15734993 is 39943751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15429184 + 305809 = 3928^2 + 553^2 .

It is an emirp because it is prime and its reverse (39943751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15734993 - 2¹⁶ = 15669457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15734993.

It is not a weakly prime, because it can be changed into another prime (15734923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7867496 + 7867497.

It is an arithmetic number, because the mean of its divisors is an integer number (7867497).

Almost surely, 2^15734993 is an apocalyptic number.

It is an amenable number.

15734993 is a deficient number, since it is larger than the sum of its proper divisors (1).

15734993 is an equidigital number, since it uses as much as digits as its factorization.

15734993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 15734993 is about 3966.7358117223. The cubic root of 15734993 is about 250.5852581557.

The spelling of 15734993 in words is "fifteen million, seven hundred thirty-four thousand, nine hundred ninety-three".