46669721 has 16 divisors (see below), whose sum is σ = 54574080. Its totient is φ = 39085200.

The previous prime is 46669673. The next prime is 46669739. The reversal of 46669721 is 12796664.

46669721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46669721 - 2⁶ = 46669657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46669741) 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 15 ways as a sum of consecutive naturals, for example, 70490 + ... + 71148.

It is an arithmetic number, because the mean of its divisors is an integer number (3410880).

Almost surely, 2^46669721 is an apocalyptic number.

It is an amenable number.

46669721 is a deficient number, since it is larger than the sum of its proper divisors (7904359).

46669721 is a wasteful number, since it uses less digits than its factorization.

46669721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its digits is 108864, while the sum is 41.

The square root of 46669721 is about 6831.5240612912. The cubic root of 46669721 is about 360.0352871789.

The spelling of 46669721 in words is "forty-six million, six hundred sixty-nine thousand, seven hundred twenty-one".