75234780 has 72 divisors (see below), whose sum is σ = 233093952. Its totient is φ = 19633536.

The previous prime is 75234773. The next prime is 75234791. The reversal of 75234780 is 8743257.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4014 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (3237416).

Almost surely, 2^75234780 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 75234780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116546976).

75234780 is an abundant number, since it is smaller than the sum of its proper divisors (157859172).

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

75234780 is a wasteful number, since it uses less digits than its factorization.

75234780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955 (or 8950 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 75234780 is about 8673.7984758697. The cubic root of 75234780 is about 422.1559212094.

The spelling of 75234780 in words is "seventy-five million, two hundred thirty-four thousand, seven hundred eighty".