19475064 has 96 divisors (see below), whose sum is σ = 63853920. Its totient is φ = 5234688.

The previous prime is 19475063. The next prime is 19475083. The reversal of 19475064 is 46057491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19475063) 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, 7432 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (665145).

Almost surely, 2^19475064 is an apocalyptic number.

19475064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19475064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31926960).

19475064 is an abundant number, since it is smaller than the sum of its proper divisors (44378856).

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

19475064 is a wasteful number, since it uses less digits than its factorization.

19475064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 19475064 is about 4413.0560839400. The cubic root of 19475064 is about 269.0458502204.

The spelling of 19475064 in words is "nineteen million, four hundred seventy-five thousand, sixty-four".