755447090 has 8 divisors (see below), whose sum is σ = 1359804780. Its totient is φ = 302178832.

The previous prime is 755447083. The next prime is 755447117. The reversal of 755447090 is 90744557.

It can be written as a sum of positive squares in 2 ways, for example, as 755095441 + 351649 = 27479^2 + 593^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37772345 + ... + 37772364.

Almost surely, 2^755447090 is an apocalyptic number.

755447090 is a deficient number, since it is larger than the sum of its proper divisors (604357690).

755447090 is a wasteful number, since it uses less digits than its factorization.

755447090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75544716.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 755447090 is about 27485.3977595377. The cubic root of 755447090 is about 910.7545526891.

The spelling of 755447090 in words is "seven hundred fifty-five million, four hundred forty-seven thousand, ninety".