45719928 has 72 divisors (see below), whose sum is σ = 130759200. Its totient is φ = 14429664.

The previous prime is 45719911. The next prime is 45719939. The reversal of 45719928 is 82991754.

45719928 is a `hidden beast` number, since 457 + 199 + 2 + 8 = 666.

45719928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 25113 + ... + 26871.

It is an arithmetic number, because the mean of its divisors is an integer number (1816100).

Almost surely, 2^45719928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45719928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65379600).

45719928 is an abundant number, since it is smaller than the sum of its proper divisors (85039272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45719928 is a wasteful number, since it uses less digits than its factorization.

45719928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1783 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 45719928 is about 6761.6512776096. The cubic root of 45719928 is about 357.5761241060.

The spelling of 45719928 in words is "forty-five million, seven hundred nineteen thousand, nine hundred twenty-eight".