75223760 has 20 divisors (see below), whose sum is σ = 174895428. Its totient is φ = 30089472.

The previous prime is 75223741. The next prime is 75223787. The reversal of 75223760 is 6732257.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 54937744 = 4504^2 + 7412^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×75223760² = 11317228137075200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470069 + ... + 470228.

Almost surely, 2^75223760 is an apocalyptic number.

It is an amenable number.

75223760 is an abundant number, since it is smaller than the sum of its proper divisors (99671668).

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

75223760 is a wasteful number, since it uses less digits than its factorization.

75223760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940310 (or 940304 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 75223760 is about 8673.1632061204. The cubic root of 75223760 is about 422.1353084670.

The spelling of 75223760 in words is "seventy-five million, two hundred twenty-three thousand, seven hundred sixty".