75163420 has 24 divisors (see below), whose sum is σ = 158203584. Its totient is φ = 29996736.

The previous prime is 75163393. The next prime is 75163423. The reversal of 75163420 is 2436157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75163423) 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, 5202 + ... + 13318.

It is an arithmetic number, because the mean of its divisors is an integer number (6591816).

Almost surely, 2^75163420 is an apocalyptic number.

It is an amenable number.

75163420 is an abundant number, since it is smaller than the sum of its proper divisors (83040164).

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

75163420 is a wasteful number, since it uses less digits than its factorization.

75163420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589 (or 8587 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 75163420 is about 8669.6839619446. The cubic root of 75163420 is about 422.0224077108.

Adding to 75163420 its reverse (2436157), we get a palindrome (77599577).

The spelling of 75163420 in words is "seventy-five million, one hundred sixty-three thousand, four hundred twenty".