46632721 has 4 divisors (see below), whose sum is σ = 46686772. Its totient is φ = 46578672.

The previous prime is 46632709. The next prime is 46632757. The reversal of 46632721 is 12723664.

46632721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33930625 + 12702096 = 5825^2 + 3564^2 .

It is a cyclic number.

It is not a de Polignac number, because 46632721 - 2¹⁵ = 46599953 is a prime.

It is a super-2 number, since 2×46632721² = 4349221335727682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46632791) 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 in 3 ways as a sum of consecutive naturals, for example, 25710 + ... + 27463.

It is an arithmetic number, because the mean of its divisors is an integer number (11671693).

Almost surely, 2^46632721 is an apocalyptic number.

It is an amenable number.

46632721 is a deficient number, since it is larger than the sum of its proper divisors (54051).

46632721 is an equidigital number, since it uses as much as digits as its factorization.

46632721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54050.

The product of its digits is 12096, while the sum is 31.

The square root of 46632721 is about 6828.8154902589. The cubic root of 46632721 is about 359.9401160680.

The spelling of 46632721 in words is "forty-six million, six hundred thirty-two thousand, seven hundred twenty-one".