75421200 has 60 divisors (see below), whose sum is σ = 241603088. Its totient is φ = 20112000.

The previous prime is 75421153. The next prime is 75421201. The reversal of 75421200 is 212457.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (75421201) 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 11 ways as a sum of consecutive naturals, for example, 30226 + ... + 32625.

Almost surely, 2^75421200 is an apocalyptic number.

It is an amenable number.

75421200 is an abundant number, since it is smaller than the sum of its proper divisors (166181888).

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

75421200 is a wasteful number, since it uses less digits than its factorization.

75421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62872 (or 62861 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 75421200 is about 8684.5379842568. The cubic root of 75421200 is about 422.5043123633.

Adding to 75421200 its reverse (212457), we get a palindrome (75633657).

The spelling of 75421200 in words is "seventy-five million, four hundred twenty-one thousand, two hundred".