47620357 has 2 divisors, whose sum is σ = 47620358. Its totient is φ = 47620356.

The previous prime is 47620351. The next prime is 47620361. The reversal of 47620357 is 75302674.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29224836 + 18395521 = 5406^2 + 4289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47620357 is a prime.

It is equal to p_2866741 and since 47620357 and 2866741 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47620351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23810178 + 23810179.

It is an arithmetic number, because the mean of its divisors is an integer number (23810179).

Almost surely, 2^47620357 is an apocalyptic number.

It is an amenable number.

47620357 is a deficient number, since it is larger than the sum of its proper divisors (1).

47620357 is an equidigital number, since it uses as much as digits as its factorization.

47620357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 47620357 is about 6900.7504664348. The cubic root of 47620357 is about 362.4634464925.

The spelling of 47620357 in words is "forty-seven million, six hundred twenty thousand, three hundred fifty-seven".