47470691 has 2 divisors, whose sum is σ = 47470692. Its totient is φ = 47470690.

The previous prime is 47470649. The next prime is 47470723. The reversal of 47470691 is 19607474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47470691 - 2¹⁸ = 47208547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47473691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23735345 + 23735346.

It is an arithmetic number, because the mean of its divisors is an integer number (23735346).

Almost surely, 2^47470691 is an apocalyptic number.

47470691 is a deficient number, since it is larger than the sum of its proper divisors (1).

47470691 is an equidigital number, since it uses as much as digits as its factorization.

47470691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 47470691 is about 6889.8977496041. The cubic root of 47470691 is about 362.0833192422.

The spelling of 47470691 in words is "forty-seven million, four hundred seventy thousand, six hundred ninety-one".