755611380 has 72 divisors (see below), whose sum is σ = 2412664800. Its totient is φ = 190890432.

The previous prime is 755611369. The next prime is 755611411. The reversal of 755611380 is 83116557.

755611380 is a `hidden beast` number, since 7 + 5 + 5 + 611 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107050 + ... + 113889.

Almost surely, 2^755611380 is an apocalyptic number.

It is an amenable number.

755611380 is an abundant number, since it is smaller than the sum of its proper divisors (1657053420).

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

755611380 is a wasteful number, since it uses less digits than its factorization.

755611380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220973 (or 220968 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 755611380 is about 27488.3862749344. The cubic root of 755611380 is about 910.8205696752.

The spelling of 755611380 in words is "seven hundred fifty-five million, six hundred eleven thousand, three hundred eighty".