675521372750436 has 99 divisors (see below), whose sum is σ = 1773266751646131. Its totient is φ = 225169580408184.

The previous prime is 675521372750359. The next prime is 675521372750447. The reversal of 675521372750436 is 634057273125576.

The square root of 675521372750436 is 25990794.

It is a perfect power (a square), and thus also a powerful number.

675521372750436 is a `hidden beast` number, since 6 + 7 + 5 + 5 + 21 + 3 + 72 + 7 + 504 + 36 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 12631499145 + ... + 12631552623.

Almost surely, 2^{675521372750436} is an apocalyptic number.

675521372750436 is the 25990794-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675521372750436

675521372750436 is an abundant number, since it is smaller than the sum of its proper divisors (1097745378895695).

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

675521372750436 is an frugal number, since it uses more digits than its factorization.

675521372750436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106992 (or 53484 counting only the distinct ones).

The product of its (nonzero) digits is 222264000, while the sum is 63.

The spelling of 675521372750436 in words is "six hundred seventy-five trillion, five hundred twenty-one billion, three hundred seventy-two million, seven hundred fifty thousand, four hundred thirty-six".