75270000 has 200 divisors, whose sum is σ = 263028304. Its totient is φ = 18432000.

The previous prime is 75269989. The next prime is 75270023. The reversal of 75270000 is 7257.

It is a tau number, because it is divible by the number of its divisors (200).

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 39 ways as a sum of consecutive naturals, for example, 389904 + ... + 390096.

Almost surely, 2^75270000 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 75270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131514152).

75270000 is an abundant number, since it is smaller than the sum of its proper divisors (187758304).

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

75270000 is a wasteful number, since it uses less digits than its factorization.

75270000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 75270000 is about 8675.8284906976. The cubic root of 75270000 is about 422.2217861902.

Adding to 75270000 its reverse (7257), we get a palindrome (75277257).

It can be divided in two parts, 75 and 270000, that multiplied together give a square (20250000 = 4500²).

The spelling of 75270000 in words is "seventy-five million, two hundred seventy thousand".