755120305 has 16 divisors (see below), whose sum is σ = 919283904. Its totient is φ = 595372480.

The previous prime is 755120279. The next prime is 755120323. The reversal of 755120305 is 503021557.

It is not a de Polignac number, because 755120305 - 2²¹ = 753023153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189342 + ... + 193288.

It is an arithmetic number, because the mean of its divisors is an integer number (57455244).

Almost surely, 2^755120305 is an apocalyptic number.

It is an amenable number.

755120305 is a deficient number, since it is larger than the sum of its proper divisors (164163599).

755120305 is a wasteful number, since it uses less digits than its factorization.

755120305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 755120305 is about 27479.4524144860. The cubic root of 755120305 is about 910.6232115469.

The spelling of 755120305 in words is "seven hundred fifty-five million, one hundred twenty thousand, three hundred five".