75230780 has 48 divisors (see below), whose sum is σ = 168376320. Its totient is φ = 28136448.

The previous prime is 75230761. The next prime is 75230783. The reversal of 75230780 is 8703257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75230783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58181 + ... + 59459.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 2^75230780 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 75230780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84188160).

75230780 is an abundant number, since it is smaller than the sum of its proper divisors (93145540).

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

75230780 is a wasteful number, since it uses less digits than its factorization.

75230780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 75230780 is about 8673.5678933182. The cubic root of 75230780 is about 422.1484395029.

The spelling of 75230780 in words is "seventy-five million, two hundred thirty thousand, seven hundred eighty".