755132640 has 48 divisors (see below), whose sum is σ = 2378669328. Its totient is φ = 201368576.

The previous prime is 755132617. The next prime is 755132647. The reversal of 755132640 is 46231557.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755132647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786117 + ... + 787076.

It is an arithmetic number, because the mean of its divisors is an integer number (49555611).

Almost surely, 2^755132640 is an apocalyptic number.

It is an amenable number.

755132640 is an abundant number, since it is smaller than the sum of its proper divisors (1623536688).

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

755132640 is a wasteful number, since it uses less digits than its factorization.

755132640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573211 (or 1573203 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 755132640 is about 27479.6768539952. The cubic root of 755132640 is about 910.6281699075.

The spelling of 755132640 in words is "seven hundred fifty-five million, one hundred thirty-two thousand, six hundred forty".