32745240 has 96 divisors (see below), whose sum is σ = 116110800. Its totient is φ = 7937280.

The previous prime is 32745239. The next prime is 32745241. The reversal of 32745240 is 4254723.

It is an interprime number because it is at equal distance from previous prime (32745239) and next prime (32745241).

It is a super-3 number, since 3×32745240³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32745241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175 + ... + 8094.

Almost surely, 2^32745240 is an apocalyptic number.

32745240 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 32745240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58055400).

32745240 is an abundant number, since it is smaller than the sum of its proper divisors (83365560).

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

32745240 is a wasteful number, since it uses less digits than its factorization.

32745240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 32745240 is about 5722.3456728863. The cubic root of 32745240 is about 319.9258942982.

Adding to 32745240 its reverse (4254723), we get a palindrome (36999963).

The spelling of 32745240 in words is "thirty-two million, seven hundred forty-five thousand, two hundred forty".