756253980 has 72 divisors (see below), whose sum is σ = 2296209552. Its totient is φ = 201470976.

The previous prime is 756253937. The next prime is 756253997. The reversal of 756253980 is 89352657.

It is a happy number.

756253980 is a `hidden beast` number, since 7 + 562 + 5 + 3 + 9 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 362019 + ... + 364101.

Almost surely, 2^756253980 is an apocalyptic number.

It is an amenable number.

756253980 is an abundant number, since it is smaller than the sum of its proper divisors (1539955572).

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

756253980 is a wasteful number, since it uses less digits than its factorization.

756253980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4110 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 756253980 is about 27500.0723635412. The cubic root of 756253980 is about 911.0786950703.

The spelling of 756253980 in words is "seven hundred fifty-six million, two hundred fifty-three thousand, nine hundred eighty".