46640579 has 2 divisors, whose sum is σ = 46640580. Its totient is φ = 46640578.

The previous prime is 46640557. The next prime is 46640593. The reversal of 46640579 is 97504664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46640579 - 2¹² = 46636483 is a prime.

It is not a weakly prime, because it can be changed into another prime (46640519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23320289 + 23320290.

It is an arithmetic number, because the mean of its divisors is an integer number (23320290).

Almost surely, 2^46640579 is an apocalyptic number.

46640579 is a deficient number, since it is larger than the sum of its proper divisors (1).

46640579 is an equidigital number, since it uses as much as digits as its factorization.

46640579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 46640579 is about 6829.3908220280. The cubic root of 46640579 is about 359.9603325635.

The spelling of 46640579 in words is "forty-six million, six hundred forty thousand, five hundred seventy-nine".