47409697 has 2 divisors, whose sum is σ = 47409698. Its totient is φ = 47409696.

The previous prime is 47409689. The next prime is 47409721. The reversal of 47409697 is 79690474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 130321 = 6876^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 47409697 - 2³ = 47409689 is a prime.

It is not a weakly prime, because it can be changed into another prime (47400697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23704848 + 23704849.

It is an arithmetic number, because the mean of its divisors is an integer number (23704849).

Almost surely, 2^47409697 is an apocalyptic number.

It is an amenable number.

47409697 is a deficient number, since it is larger than the sum of its proper divisors (1).

47409697 is an equidigital number, since it uses as much as digits as its factorization.

47409697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 47409697 is about 6885.4699912206. The cubic root of 47409697 is about 361.9281752641.

The spelling of 47409697 in words is "forty-seven million, four hundred nine thousand, six hundred ninety-seven".