75224928 has 48 divisors (see below), whose sum is σ = 198298800. Its totient is φ = 24969216.

The previous prime is 75224923. The next prime is 75224939. The reversal of 75224928 is 82942257.

It is a tau number, because it is divible by the number of its divisors (48).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75224923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23148 + ... + 26196.

It is an arithmetic number, because the mean of its divisors is an integer number (4131225).

Almost surely, 2^75224928 is an apocalyptic number.

It is an amenable number.

75224928 is an abundant number, since it is smaller than the sum of its proper divisors (123073872).

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

75224928 is a wasteful number, since it uses less digits than its factorization.

75224928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3311 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 75224928 is about 8673.2305400007. The cubic root of 75224928 is about 422.1374932886.

The spelling of 75224928 in words is "seventy-five million, two hundred twenty-four thousand, nine hundred twenty-eight".