755245649 has 8 divisors (see below), whose sum is σ = 796404000. Its totient is φ = 714228192.

The previous prime is 755245639. The next prime is 755245651. The reversal of 755245649 is 946542557.

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 755245649 - 2²⁴ = 738468433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (755245619) 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, 24119 + ... + 45740.

It is an arithmetic number, because the mean of its divisors is an integer number (99550500).

Almost surely, 2^755245649 is an apocalyptic number.

It is an amenable number.

755245649 is a deficient number, since it is larger than the sum of its proper divisors (41158351).

755245649 is a wasteful number, since it uses less digits than its factorization.

755245649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70447.

The product of its digits is 1512000, while the sum is 47.

The square root of 755245649 is about 27481.7330057622. The cubic root of 755245649 is about 910.6735941770.

The spelling of 755245649 in words is "seven hundred fifty-five million, two hundred forty-five thousand, six hundred forty-nine".