755165905 has 8 divisors (see below), whose sum is σ = 975906792. Its totient is φ = 557660928.

The previous prime is 755165881. The next prime is 755165927. The reversal of 755165905 is 509561557.

It can be written as a sum of positive squares in 4 ways, for example, as 61528336 + 693637569 = 7844^2 + 26337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 755165905 - 2¹³ = 755157713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808904 + ... + 5809033.

It is an arithmetic number, because the mean of its divisors is an integer number (121988349).

Almost surely, 2^755165905 is an apocalyptic number.

It is an amenable number.

755165905 is a deficient number, since it is larger than the sum of its proper divisors (220740887).

755165905 is a wasteful number, since it uses less digits than its factorization.

755165905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617955.

The product of its (nonzero) digits is 236250, while the sum is 43.

The square root of 755165905 is about 27480.2821128168. The cubic root of 755165905 is about 910.6415413337.

The spelling of 755165905 in words is "seven hundred fifty-five million, one hundred sixty-five thousand, nine hundred five".