46075781 has 2 divisors, whose sum is σ = 46075782. Its totient is φ = 46075780.

The previous prime is 46075769. The next prime is 46075787. The reversal of 46075781 is 18757064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 297025 = 6766^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 46075781 - 2¹⁰ = 46074757 is a prime.

It is a super-2 number, since 2×46075781² = 4245955189519922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46075787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23037890 + 23037891.

It is an arithmetic number, because the mean of its divisors is an integer number (23037891).

Almost surely, 2^46075781 is an apocalyptic number.

It is an amenable number.

46075781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46075781 is an equidigital number, since it uses as much as digits as its factorization.

46075781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 46075781 is about 6787.9143335785. The cubic root of 46075781 is about 358.5014378127.

The spelling of 46075781 in words is "forty-six million, seventy-five thousand, seven hundred eighty-one".