46770721 has 2 divisors, whose sum is σ = 46770722. Its totient is φ = 46770720.

The previous prime is 46770719. The next prime is 46770739. The reversal of 46770721 is 12707764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46580625 + 190096 = 6825^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 46770721 - 2¹ = 46770719 is a prime.

Together with 46770719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (46770121) 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, 23385360 + 23385361.

It is an arithmetic number, because the mean of its divisors is an integer number (23385361).

Almost surely, 2^46770721 is an apocalyptic number.

It is an amenable number.

46770721 is a deficient number, since it is larger than the sum of its proper divisors (1).

46770721 is an equidigital number, since it uses as much as digits as its factorization.

46770721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 46770721 is about 6838.9122673127. The cubic root of 46770721 is about 360.2948227887.

The spelling of 46770721 in words is "forty-six million, seven hundred seventy thousand, seven hundred twenty-one".