46036721 has 2 divisors, whose sum is σ = 46036722. Its totient is φ = 46036720.

The previous prime is 46036691. The next prime is 46036759. The reversal of 46036721 is 12763064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45495025 + 541696 = 6745^2 + 736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46036721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46036121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23018360 + 23018361.

It is an arithmetic number, because the mean of its divisors is an integer number (23018361).

Almost surely, 2^46036721 is an apocalyptic number.

It is an amenable number.

46036721 is a deficient number, since it is larger than the sum of its proper divisors (1).

46036721 is an equidigital number, since it uses as much as digits as its factorization.

46036721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 46036721 is about 6785.0365511175. The cubic root of 46036721 is about 358.4001045694.

Adding to 46036721 its reverse (12763064), we get a palindrome (58799785).

The spelling of 46036721 in words is "forty-six million, thirty-six thousand, seven hundred twenty-one".