755505660 has 96 divisors (see below), whose sum is σ = 2603607552. Its totient is φ = 159402240.

The previous prime is 755505659. The next prime is 755505661. The reversal of 755505660 is 66505557.

It is an interprime number because it is at equal distance from previous prime (755505659) and next prime (755505661).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755505661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63726 + ... + 74645.

It is an arithmetic number, because the mean of its divisors is an integer number (27120912).

Almost surely, 2^755505660 is an apocalyptic number.

755505660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

755505660 is an abundant number, since it is smaller than the sum of its proper divisors (1848101892).

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

755505660 is a wasteful number, since it uses less digits than its factorization.

755505660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138403 (or 138401 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 755505660 is about 27486.4632137349. The cubic root of 755505660 is about 910.7780890895.

The spelling of 755505660 in words is "seven hundred fifty-five million, five hundred five thousand, six hundred sixty".