75380430 has 64 divisors (see below), whose sum is σ = 190729728. Its totient is φ = 19029120.

The previous prime is 75380401. The next prime is 75380443. The reversal of 75380430 is 3408357.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent 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, 73320 + ... + 74340.

It is an arithmetic number, because the mean of its divisors is an integer number (2980152).

Almost surely, 2^75380430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75380430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95364864).

75380430 is an abundant number, since it is smaller than the sum of its proper divisors (115349298).

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

75380430 is a wasteful number, since it uses less digits than its factorization.

75380430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 75380430 is about 8682.1903918309. The cubic root of 75380430 is about 422.4281684075.

Adding to 75380430 its reverse (3408357), we get a palindrome (78788787).

The spelling of 75380430 in words is "seventy-five million, three hundred eighty thousand, four hundred thirty".