755245705 has 8 divisors (see below), whose sum is σ = 906580872. Its totient is φ = 604005888.

The previous prime is 755245703. The next prime is 755245747. The reversal of 755245705 is 507542557.

It can be written as a sum of positive squares in 4 ways, for example, as 443228809 + 312016896 = 21053^2 + 17664^2 .

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 755245705 - 2¹ = 755245703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755245703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064 + ... + 39193.

It is an arithmetic number, because the mean of its divisors is an integer number (113322609).

Almost surely, 2^755245705 is an apocalyptic number.

It is an amenable number.

755245705 is a deficient number, since it is larger than the sum of its proper divisors (151335167).

755245705 is a wasteful number, since it uses less digits than its factorization.

755245705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47675.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 755245705 is about 27481.7340246208. The cubic root of 755245705 is about 910.6736166852.

The spelling of 755245705 in words is "seven hundred fifty-five million, two hundred forty-five thousand, seven hundred five".