755520372 has 60 divisors (see below), whose sum is σ = 2002958496. Its totient is φ = 248285520.

The previous prime is 755520349. The next prime is 755520379. The reversal of 755520372 is 273025557.

It is a happy number.

755520372 is a `hidden beast` number, since 75 + 552 + 0 + 37 + 2 = 666.

It is a super-2 number, since 2×755520372² = 1141622065014036768, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755520379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6583 + ... + 39425.

Almost surely, 2^755520372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755520372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001479248).

755520372 is an abundant number, since it is smaller than the sum of its proper divisors (1247438124).

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

755520372 is a wasteful number, since it uses less digits than its factorization.

755520372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32930 (or 32919 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 755520372 is about 27486.7308350775. The cubic root of 755520372 is about 910.7840009271.

The spelling of 755520372 in words is "seven hundred fifty-five million, five hundred twenty thousand, three hundred seventy-two".