47632397 has 2 divisors, whose sum is σ = 47632398. Its totient is φ = 47632396.

The previous prime is 47632393. The next prime is 47632421. The reversal of 47632397 is 79323674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27102436 + 20529961 = 5206^2 + 4531^2 .

It is a cyclic number.

It is not a de Polignac number, because 47632397 - 2² = 47632393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47632391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23816198 + 23816199.

It is an arithmetic number, because the mean of its divisors is an integer number (23816199).

Almost surely, 2^47632397 is an apocalyptic number.

It is an amenable number.

47632397 is a deficient number, since it is larger than the sum of its proper divisors (1).

47632397 is an equidigital number, since it uses as much as digits as its factorization.

47632397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 41.

The square root of 47632397 is about 6901.6227801873. The cubic root of 47632397 is about 362.4939914977.

The spelling of 47632397 in words is "forty-seven million, six hundred thirty-two thousand, three hundred ninety-seven".