75009396 has 72 divisors (see below), whose sum is σ = 222124896. Its totient is φ = 19481280.

The previous prime is 75009383. The next prime is 75009427. The reversal of 75009396 is 69390057.

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, 670 + ... + 12266.

It is an arithmetic number, because the mean of its divisors is an integer number (3085068).

Almost surely, 2^75009396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75009396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111062448).

75009396 is an abundant number, since it is smaller than the sum of its proper divisors (147115500).

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

75009396 is a wasteful number, since it uses less digits than its factorization.

75009396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11629 (or 11620 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 75009396 is about 8660.7964991680. The cubic root of 75009396 is about 421.7339427895.

The spelling of 75009396 in words is "seventy-five million, nine thousand, three hundred ninety-six".