75220024 has 32 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 34109920.

The previous prime is 75220021. The next prime is 75220039. The reversal of 75220024 is 42002257.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 75219977 and 75220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51999 + ... + 53425.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500).

Almost surely, 2^75220024 is an apocalyptic number.

It is an amenable number.

75220024 is an abundant number, since it is smaller than the sum of its proper divisors (79003976).

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

75220024 is a wasteful number, since it uses less digits than its factorization.

75220024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 75220024 is about 8672.9478264313. The cubic root of 75220024 is about 422.1283198789.

The spelling of 75220024 in words is "seventy-five million, two hundred twenty thousand, twenty-four".