46721737 has 2 divisors, whose sum is σ = 46721738. Its totient is φ = 46721736.

The previous prime is 46721683. The next prime is 46721747. The reversal of 46721737 is 73712764.

46721737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40908816 + 5812921 = 6396^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 46721737 - 2¹⁵ = 46688969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46721696 and 46721705.

It is not a weakly prime, because it can be changed into another prime (46721747) 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, 23360868 + 23360869.

It is an arithmetic number, because the mean of its divisors is an integer number (23360869).

Almost surely, 2^46721737 is an apocalyptic number.

It is an amenable number.

46721737 is a deficient number, since it is larger than the sum of its proper divisors (1).

46721737 is an equidigital number, since it uses as much as digits as its factorization.

46721737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 37.

The square root of 46721737 is about 6835.3300578685. The cubic root of 46721737 is about 360.1689973001.

The spelling of 46721737 in words is "forty-six million, seven hundred twenty-one thousand, seven hundred thirty-seven".