75223430 has 16 divisors (see below), whose sum is σ = 137957904. Its totient is φ = 29521440.

The previous prime is 75223349. The next prime is 75223433. The reversal of 75223430 is 3432257.

It is a self number, because there is not a number n which added to its sum of digits gives 75223430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75223433) 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, 70436 + ... + 71495.

It is an arithmetic number, because the mean of its divisors is an integer number (8622369).

Almost surely, 2^75223430 is an apocalyptic number.

75223430 is a deficient number, since it is larger than the sum of its proper divisors (62734474).

75223430 is a wasteful number, since it uses less digits than its factorization.

75223430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141991.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 75223430 is about 8673.1441818985. The cubic root of 75223430 is about 422.1346911760.

Adding to 75223430 its reverse (3432257), we get a palindrome (78655687).

The spelling of 75223430 in words is "seventy-five million, two hundred twenty-three thousand, four hundred thirty".