75223008 has 72 divisors (see below), whose sum is σ = 244481328. Its totient is φ = 21491712.

The previous prime is 75222967. The next prime is 75223021. The reversal of 75223008 is 80032257.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16641 + ... + 20672.

It is an arithmetic number, because the mean of its divisors is an integer number (3395574).

Almost surely, 2^75223008 is an apocalyptic number.

It is an amenable number.

75223008 is an abundant number, since it is smaller than the sum of its proper divisors (169258320).

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

75223008 is a wasteful number, since it uses less digits than its factorization.

75223008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37336 (or 37325 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 75223008 is about 8673.1198538934. The cubic root of 75223008 is about 422.1339017891.

Subtracting 75223008 from its reverse (80032257), we obtain a square (4809249 = 2193²).

The spelling of 75223008 in words is "seventy-five million, two hundred twenty-three thousand, eight".