75387380 has 24 divisors (see below), whose sum is σ = 159032832. Its totient is φ = 30017952.

The previous prime is 75387371. The next prime is 75387407. The reversal of 75387380 is 8378357.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3992 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (6626368).

Almost surely, 2^75387380 is an apocalyptic number.

It is an amenable number.

75387380 is an abundant number, since it is smaller than the sum of its proper divisors (83645452).

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

75387380 is a wasteful number, since it uses less digits than its factorization.

75387380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17135 (or 17133 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 75387380 is about 8682.5906272264. The cubic root of 75387380 is about 422.4411504929.

The spelling of 75387380 in words is "seventy-five million, three hundred eighty-seven thousand, three hundred eighty".