46744639 has 2 divisors, whose sum is σ = 46744640. Its totient is φ = 46744638.

The previous prime is 46744637. The next prime is 46744661. The reversal of 46744639 is 93644764.

46744639 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 46744639 - 2¹ = 46744637 is a prime.

It is a super-2 number, since 2×46744639² = 4370122550480642, which contains 22 as substring.

Together with 46744637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 46744595 and 46744604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46744637) 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, 23372319 + 23372320.

It is an arithmetic number, because the mean of its divisors is an integer number (23372320).

Almost surely, 2^46744639 is an apocalyptic number.

46744639 is a deficient number, since it is larger than the sum of its proper divisors (1).

46744639 is an equidigital number, since it uses as much as digits as its factorization.

46744639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 46744639 is about 6837.0051192024. The cubic root of 46744639 is about 360.2278367434.

The spelling of 46744639 in words is "forty-six million, seven hundred forty-four thousand, six hundred thirty-nine".