46642447 has 2 divisors, whose sum is σ = 46642448. Its totient is φ = 46642446.

The previous prime is 46642439. The next prime is 46642481. The reversal of 46642447 is 74424664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46642447 - 2³ = 46642439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46942447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23321223 + 23321224.

It is an arithmetic number, because the mean of its divisors is an integer number (23321224).

Almost surely, 2^46642447 is an apocalyptic number.

46642447 is a deficient number, since it is larger than the sum of its proper divisors (1).

46642447 is an equidigital number, since it uses as much as digits as its factorization.

46642447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 37.

The square root of 46642447 is about 6829.5275824906. The cubic root of 46642447 is about 359.9651380850.

It can be divided in two parts, 46642 and 447, that added together give a square (47089 = 217²).

The spelling of 46642447 in words is "forty-six million, six hundred forty-two thousand, four hundred forty-seven".