75303043396 has 81 divisors (see below), whose sum is σ = 162984653559. Its totient is φ = 30347993088.

The previous prime is 75303043391. The next prime is 75303043433. The reversal of 75303043396 is 69334030357.

The square root of 75303043396 is 274414.

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

It can be written as a sum of positive squares in 4 ways, for example, as 24371580996 + 50931462400 = 156114^2 + 225680^2 .

It is not an unprimeable number, because it can be changed into a prime (75303043391) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 65309956 + ... + 65311108.

Almost surely, 2^75303043396 is an apocalyptic number.

75303043396 is the 274414-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75303043396

75303043396 is an abundant number, since it is smaller than the sum of its proper divisors (87681610163).

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

75303043396 is a wasteful number, since it uses less digits than its factorization.

75303043396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 43.

The spelling of 75303043396 in words is "seventy-five billion, three hundred three million, forty-three thousand, three hundred ninety-six".