75032340 has 48 divisors (see below), whose sum is σ = 212466240. Its totient is φ = 19782400.

The previous prime is 75032329. The next prime is 75032357. The reversal of 75032340 is 4323057.

It is a self number, because there is not a number n which added to its sum of digits gives 75032340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (4426380).

Almost surely, 2^75032340 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 75032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106233120).

75032340 is an abundant number, since it is smaller than the sum of its proper divisors (137433900).

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

75032340 is a wasteful number, since it uses less digits than its factorization.

75032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14152 (or 14150 counting only the distinct ones).

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

The square root of 75032340 is about 8662.1209873795. The cubic root of 75032340 is about 421.7769386348.

Adding to 75032340 its reverse (4323057), we get a palindrome (79355397).

The spelling of 75032340 in words is "seventy-five million, thirty-two thousand, three hundred forty".