75212300 has 72 divisors (see below), whose sum is σ = 173801376. Its totient is φ = 28188160.

The previous prime is 75212299. The next prime is 75212303. The reversal of 75212300 is 321257.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (75212303) by changing a digit.

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, 121592 + ... + 122208.

It is an arithmetic number, because the mean of its divisors is an integer number (2413908).

Almost surely, 2^75212300 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 75212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86900688).

75212300 is an abundant number, since it is smaller than the sum of its proper divisors (98589076).

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

75212300 is a wasteful number, since it uses less digits than its factorization.

75212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 75212300 is about 8672.5025223404. The cubic root of 75212300 is about 422.1138705759.

Adding to 75212300 its reverse (321257), we get a palindrome (75533557).

The spelling of 75212300 in words is "seventy-five million, two hundred twelve thousand, three hundred".