75550340 has 12 divisors (see below), whose sum is σ = 158655756. Its totient is φ = 30220128.

The previous prime is 75550333. The next prime is 75550357. The reversal of 75550340 is 4305557.

It can be written as a sum of positive squares in 2 ways, for example, as 9193024 + 66357316 = 3032^2 + 8146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888739 + ... + 1888778.

It is an arithmetic number, because the mean of its divisors is an integer number (13221313).

Almost surely, 2^75550340 is an apocalyptic number.

It is an amenable number.

75550340 is an abundant number, since it is smaller than the sum of its proper divisors (83105416).

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

75550340 is a wasteful number, since it uses less digits than its factorization.

75550340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777526 (or 3777524 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 75550340 is about 8691.9698572878. The cubic root of 75550340 is about 422.7453192911.

Adding to 75550340 its reverse (4305557), we get a palindrome (79855897).

The spelling of 75550340 in words is "seventy-five million, five hundred fifty thousand, three hundred forty".