32723988 has 48 divisors (see below), whose sum is σ = 83837376. Its totient is φ = 9852160.

The previous prime is 32723987. The next prime is 32723993. The reversal of 32723988 is 88932723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32723987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22120 + ... + 23552.

It is an arithmetic number, because the mean of its divisors is an integer number (1746612).

Almost surely, 2^32723988 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 32723988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41918688).

32723988 is an abundant number, since it is smaller than the sum of its proper divisors (51113388).

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

32723988 is a wasteful number, since it uses less digits than its factorization.

32723988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1622 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 32723988 is about 5720.4884406841. The cubic root of 32723988 is about 319.8566675798.

It can be divided in two parts, 3272 and 3988, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 32723988 in words is "thirty-two million, seven hundred twenty-three thousand, nine hundred eighty-eight".