46835721 has 6 divisors (see below), whose sum is σ = 67651610. Its totient is φ = 31223808.

The previous prime is 46835717. The next prime is 46835743. The reversal of 46835721 is 12753864.

46835721 is a `hidden beast` number, since 4 + 6 + 83 + 572 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 4260096 = 6525^2 + 2064^2 .

It is not a de Polignac number, because 46835721 - 2² = 46835717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46835791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2601976 + ... + 2601993.

Almost surely, 2^46835721 is an apocalyptic number.

It is an amenable number.

46835721 is a deficient number, since it is larger than the sum of its proper divisors (20815889).

46835721 is a wasteful number, since it uses less digits than its factorization.

46835721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203975 (or 5203972 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 46835721 is about 6843.6628350614. The cubic root of 46835721 is about 360.4616531073.

It can be divided in two parts, 4683 and 5721, that added together give a square (10404 = 102²).

The spelling of 46835721 in words is "forty-six million, eight hundred thirty-five thousand, seven hundred twenty-one".