756648842 has 8 divisors (see below), whose sum is σ = 1135407456. Its totient is φ = 378179692.

The previous prime is 756648797. The next prime is 756648847. The reversal of 756648842 is 248846657.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (756648847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65708 + ... + 76359.

It is an arithmetic number, because the mean of its divisors is an integer number (141925932).

Almost surely, 2^756648842 is an apocalyptic number.

756648842 is a deficient number, since it is larger than the sum of its proper divisors (378758614).

756648842 is a wasteful number, since it uses less digits than its factorization.

756648842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144732.

The product of its digits is 2580480, while the sum is 50.

The square root of 756648842 is about 27507.2507168565. The cubic root of 756648842 is about 911.2372342962.

The spelling of 756648842 in words is "seven hundred fifty-six million, six hundred forty-eight thousand, eight hundred forty-two".