75723230 has 16 divisors (see below), whose sum is σ = 148693104. Its totient is φ = 27535680.

The previous prime is 75723217. The next prime is 75723239. The reversal of 75723230 is 3232757.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75723193 and 75723202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75723239) 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, 344087 + ... + 344306.

It is an arithmetic number, because the mean of its divisors is an integer number (9293319).

Almost surely, 2^75723230 is an apocalyptic number.

75723230 is a deficient number, since it is larger than the sum of its proper divisors (72969874).

75723230 is a wasteful number, since it uses less digits than its factorization.

75723230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688411.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 75723230 is about 8701.9095605505. The cubic root of 75723230 is about 423.0675448737.

Adding to 75723230 its reverse (3232757), we get a palindrome (78955987).

The spelling of 75723230 in words is "seventy-five million, seven hundred twenty-three thousand, two hundred thirty".