47540693 has 2 divisors, whose sum is σ = 47540694. Its totient is φ = 47540692.

The previous prime is 47540659. The next prime is 47540719. The reversal of 47540693 is 39604574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32741284 + 14799409 = 5722^2 + 3847^2 .

It is a cyclic number.

It is not a de Polignac number, because 47540693 - 2¹⁰ = 47539669 is a 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 (47546693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23770346 + 23770347.

It is an arithmetic number, because the mean of its divisors is an integer number (23770347).

Almost surely, 2^47540693 is an apocalyptic number.

It is an amenable number.

47540693 is a deficient number, since it is larger than the sum of its proper divisors (1).

47540693 is an equidigital number, since it uses as much as digits as its factorization.

47540693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 47540693 is about 6894.9759245410. The cubic root of 47540693 is about 362.2612122199.

The spelling of 47540693 in words is "forty-seven million, five hundred forty thousand, six hundred ninety-three".