32148738 has 40 divisors (see below), whose sum is σ = 72483840. Its totient is φ = 10649880.

The previous prime is 32148737. The next prime is 32148749. The reversal of 32148738 is 83784123.

It is not an unprimeable number, because it can be changed into a prime (32148737) 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 19 ways as a sum of consecutive naturals, for example, 30423 + ... + 31461.

It is an arithmetic number, because the mean of its divisors is an integer number (1812096).

Almost surely, 2^32148738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32148738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36241920).

32148738 is an abundant number, since it is smaller than the sum of its proper divisors (40335102).

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

32148738 is a wasteful number, since it uses less digits than its factorization.

32148738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1235 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 32148738 is about 5669.9857142677. The cubic root of 32148738 is about 317.9713395316.

The spelling of 32148738 in words is "thirty-two million, one hundred forty-eight thousand, seven hundred thirty-eight".