46781731 has 2 divisors, whose sum is σ = 46781732. Its totient is φ = 46781730.

The previous prime is 46781717. The next prime is 46781783. The reversal of 46781731 is 13718764.

46781731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46781731 - 2²¹ = 44684579 is a prime.

It is a super-2 number, since 2×46781731² = 4377060710712722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46781531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23390865 + 23390866.

It is an arithmetic number, because the mean of its divisors is an integer number (23390866).

Almost surely, 2^46781731 is an apocalyptic number.

46781731 is a deficient number, since it is larger than the sum of its proper divisors (1).

46781731 is an equidigital number, since it uses as much as digits as its factorization.

46781731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 46781731 is about 6839.7171725152. The cubic root of 46781731 is about 360.3230921467.

The spelling of 46781731 in words is "forty-six million, seven hundred eighty-one thousand, seven hundred thirty-one".