47445379 has 2 divisors, whose sum is σ = 47445380. Its totient is φ = 47445378.

The previous prime is 47445367. The next prime is 47445397. The reversal of 47445379 is 97354474.

Together with next prime (47445397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47445379 - 2⁵ = 47445347 is a prime.

It is not a weakly prime, because it can be changed into another prime (47445329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23722689 + 23722690.

It is an arithmetic number, because the mean of its divisors is an integer number (23722690).

Almost surely, 2^47445379 is an apocalyptic number.

47445379 is a deficient number, since it is larger than the sum of its proper divisors (1).

47445379 is an equidigital number, since it uses as much as digits as its factorization.

47445379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 47445379 is about 6888.0606123930. The cubic root of 47445379 is about 362.0189519294.

The spelling of 47445379 in words is "forty-seven million, four hundred forty-five thousand, three hundred seventy-nine".