756389249 has 16 divisors (see below), whose sum is σ = 947788800. Its totient is φ = 586420560.

The previous prime is 756389237. The next prime is 756389251. The reversal of 756389249 is 942983657.

It is a happy number.

It is not a de Polignac number, because 756389249 - 2⁴ = 756389233 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 756389249.

It is not an unprimeable number, because it can be changed into a prime (756389549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9359 + ... + 40004.

It is an arithmetic number, because the mean of its divisors is an integer number (59236800).

Almost surely, 2^756389249 is an apocalyptic number.

It is an amenable number.

756389249 is a deficient number, since it is larger than the sum of its proper divisors (191399551).

756389249 is a wasteful number, since it uses less digits than its factorization.

756389249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49580.

The product of its digits is 3265920, while the sum is 53.

The square root of 756389249 is about 27502.5316834651. The cubic root of 756389249 is about 911.1330125175.

The spelling of 756389249 in words is "seven hundred fifty-six million, three hundred eighty-nine thousand, two hundred forty-nine".