755280842 has 8 divisors (see below), whose sum is σ = 1140137796. Its totient is φ = 375234912.

The previous prime is 755280829. The next prime is 755280847. The reversal of 755280842 is 248082557.

It can be written as a sum of positive squares in 2 ways, for example, as 634082761 + 121198081 = 25181^2 + 11009^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 755280842.

It is not an unprimeable number, because it can be changed into a prime (755280847) 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, 1202363 + ... + 1202990.

Almost surely, 2^755280842 is an apocalyptic number.

755280842 is a deficient number, since it is larger than the sum of its proper divisors (384856954).

755280842 is a wasteful number, since it uses less digits than its factorization.

755280842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405512.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 755280842 is about 27482.3732963512. The cubic root of 755280842 is about 910.6877391721.

The spelling of 755280842 in words is "seven hundred fifty-five million, two hundred eighty thousand, eight hundred forty-two".