755781480 has 48 divisors (see below), whose sum is σ = 2456290980. Its totient is φ = 201541632.

The previous prime is 755781473. The next prime is 755781493. The reversal of 755781480 is 84187557.

It is a happy number.

755781480 is a `hidden beast` number, since 7 + 557 + 8 + 14 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 732568356 + 23213124 = 27066^2 + 4818^2 .

It is a super-3 number, since 3×755781480³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1049337 + ... + 1050056.

Almost surely, 2^755781480 is an apocalyptic number.

It is an amenable number.

755781480 is an abundant number, since it is smaller than the sum of its proper divisors (1700509500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

755781480 is a wasteful number, since it uses less digits than its factorization.

755781480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099410 (or 2099403 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 755781480 is about 27491.4801347618. The cubic root of 755781480 is about 910.8889112234. Note that the first 3 decimals are identical.

The spelling of 755781480 in words is "seven hundred fifty-five million, seven hundred eighty-one thousand, four hundred eighty".