75553340 has 12 divisors (see below), whose sum is σ = 158662056. Its totient is φ = 30221328.

The previous prime is 75553339. The next prime is 75553363. The reversal of 75553340 is 4335557.

It is a junction number, because it is equal to n+sod(n) for n = 75553297 and 75553306.

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 3 ways as a sum of consecutive naturals, for example, 1888814 + ... + 1888853.

It is an arithmetic number, because the mean of its divisors is an integer number (13221838).

Almost surely, 2^75553340 is an apocalyptic number.

It is an amenable number.

75553340 is an abundant number, since it is smaller than the sum of its proper divisors (83108716).

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

75553340 is a wasteful number, since it uses less digits than its factorization.

75553340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777676 (or 3777674 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 75553340 is about 8692.1424286536. The cubic root of 75553340 is about 422.7509147619.

Adding to 75553340 its reverse (4335557), we get a palindrome (79888897).

The spelling of 75553340 in words is "seventy-five million, five hundred fifty-three thousand, three hundred forty".