75300420 has 96 divisors (see below), whose sum is σ = 239057280. Its totient is φ = 17556480.

The previous prime is 75300403. The next prime is 75300431. The reversal of 75300420 is 2400357.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12280 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (2490180).

Almost surely, 2^75300420 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 75300420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119528640).

75300420 is an abundant number, since it is smaller than the sum of its proper divisors (163756860).

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

75300420 is a wasteful number, since it uses less digits than its factorization.

75300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 75300420 is about 8677.5814602918. The cubic root of 75300420 is about 422.2786581482.

Adding to 75300420 its reverse (2400357), we get a palindrome (77700777).

The spelling of 75300420 in words is "seventy-five million, three hundred thousand, four hundred twenty".