46736721 has 24 divisors (see below), whose sum is σ = 69058080. Its totient is φ = 30450816.

The previous prime is 46736699. The next prime is 46736731. The reversal of 46736721 is 12763764.

It is not a de Polignac number, because 46736721 - 2⁷ = 46736593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46736731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107721 + ... + 108153.

It is an arithmetic number, because the mean of its divisors is an integer number (2877420).

Almost surely, 2^46736721 is an apocalyptic number.

It is an amenable number.

46736721 is a deficient number, since it is larger than the sum of its proper divisors (22321359).

46736721 is a wasteful number, since it uses less digits than its factorization.

46736721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 682 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 46736721 is about 6836.4260399715. The cubic root of 46736721 is about 360.2074961215.

The spelling of 46736721 in words is "forty-six million, seven hundred thirty-six thousand, seven hundred twenty-one".