75285280 has 48 divisors (see below), whose sum is σ = 203273280. Its totient is φ = 25811712.

The previous prime is 75285257. The next prime is 75285283. The reversal of 75285280 is 8258257.

It is not an unprimeable number, because it can be changed into a prime (75285283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32490 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (4234860).

Almost surely, 2^75285280 is an apocalyptic number.

75285280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75285280 is an abundant number, since it is smaller than the sum of its proper divisors (127988000).

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

75285280 is a wasteful number, since it uses less digits than its factorization.

75285280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67241 (or 67233 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 75285280 is about 8676.7090535525. The cubic root of 75285280 is about 422.2503549532.

The spelling of 75285280 in words is "seventy-five million, two hundred eighty-five thousand, two hundred eighty".