32750640 has 120 divisors (see below), whose sum is σ = 118482000. Its totient is φ = 8059392.

The previous prime is 32750639. The next prime is 32750651. The reversal of 32750640 is 4605723.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7611 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (987350).

Almost surely, 2^32750640 is an apocalyptic number.

32750640 is a gapful number since it is divisible by the number (30) 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 32750640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59241000).

32750640 is an abundant number, since it is smaller than the sum of its proper divisors (85731360).

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

32750640 is a wasteful number, since it uses less digits than its factorization.

32750640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 32750640 is about 5722.8174879162. The cubic root of 32750640 is about 319.9434796009.

The spelling of 32750640 in words is "thirty-two million, seven hundred fifty thousand, six hundred forty".