46727721 has 12 divisors (see below), whose sum is σ = 67750020. Its totient is φ = 31034400.

The previous prime is 46727719. The next prime is 46727749. The reversal of 46727721 is 12772764.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12960000 + 33767721 = 3600^2 + 5811^2 .

It is not a de Polignac number, because 46727721 - 2¹ = 46727719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46727761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7230 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (5645835).

Almost surely, 2^46727721 is an apocalyptic number.

It is an amenable number.

46727721 is a deficient number, since it is larger than the sum of its proper divisors (21022299).

46727721 is a wasteful number, since it uses less digits than its factorization.

46727721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19576 (or 19573 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 46727721 is about 6835.7677696072. The cubic root of 46727721 is about 360.1843731502.

The spelling of 46727721 in words is "forty-six million, seven hundred twenty-seven thousand, seven hundred twenty-one".