75440755 has 24 divisors (see below), whose sum is σ = 99452448. Its totient is φ = 54902016.

The previous prime is 75440749. The next prime is 75440789. The reversal of 75440755 is 55704457.

It is not a de Polignac number, because 75440755 - 2¹³ = 75432563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61074 + ... + 62296.

It is an arithmetic number, because the mean of its divisors is an integer number (4143852).

Almost surely, 2^75440755 is an apocalyptic number.

75440755 is a deficient number, since it is larger than the sum of its proper divisors (24011693).

75440755 is a wasteful number, since it uses less digits than its factorization.

75440755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 75440755 is about 8685.6637627760. The cubic root of 75440755 is about 422.5408244575.

The spelling of 75440755 in words is "seventy-five million, four hundred forty thousand, seven hundred fifty-five".