46725721 has 4 divisors (see below), whose sum is σ = 53400832. Its totient is φ = 40050612.

The previous prime is 46725703. The next prime is 46725727. The reversal of 46725721 is 12752764.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 46725721 - 2⁷ = 46725593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46725727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337545 + ... + 3337558.

It is an arithmetic number, because the mean of its divisors is an integer number (13350208).

Almost surely, 2^46725721 is an apocalyptic number.

It is an amenable number.

46725721 is a deficient number, since it is larger than the sum of its proper divisors (6675111).

46725721 is an equidigital number, since it uses as much as digits as its factorization.

46725721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675110.

The product of its digits is 23520, while the sum is 34.

The square root of 46725721 is about 6835.6214786953. The cubic root of 46725721 is about 360.1792343089.

The spelling of 46725721 in words is "forty-six million, seven hundred twenty-five thousand, seven hundred twenty-one".