755961980 has 12 divisors (see below), whose sum is σ = 1587520200. Its totient is φ = 302384784.

The previous prime is 755961961. The next prime is 755961989. The reversal of 755961980 is 89169557.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755961989) 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, 18899030 + ... + 18899069.

It is an arithmetic number, because the mean of its divisors is an integer number (132293350).

Almost surely, 2^755961980 is an apocalyptic number.

It is an amenable number.

755961980 is an abundant number, since it is smaller than the sum of its proper divisors (831558220).

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

755961980 is a wasteful number, since it uses less digits than its factorization.

755961980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37798108 (or 37798106 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 755961980 is about 27494.7627740266. The cubic root of 755961980 is about 910.9614199955.

The spelling of 755961980 in words is "seven hundred fifty-five million, nine hundred sixty-one thousand, nine hundred eighty".