32530740 has 96 divisors (see below), whose sum is σ = 103735296. Its totient is φ = 7539840.

The previous prime is 32530727. The next prime is 32530781. The reversal of 32530740 is 4703523.

It is a self number, because there is not a number n which added to its sum of digits gives 32530740.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14109 + ... + 16251.

It is an arithmetic number, because the mean of its divisors is an integer number (1080576).

Almost surely, 2^32530740 is an apocalyptic number.

32530740 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 32530740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51867648).

32530740 is an abundant number, since it is smaller than the sum of its proper divisors (71204556).

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

32530740 is a wasteful number, since it uses less digits than its factorization.

32530740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 32530740 is about 5703.5725646300. The cubic root of 32530740 is about 319.2257976901.

The spelling of 32530740 in words is "thirty-two million, five hundred thirty thousand, seven hundred forty".