75472230 has 32 divisors (see below), whose sum is σ = 186031584. Its totient is φ = 19581696.

The previous prime is 75472213. The next prime is 75472277. The reversal of 75472230 is 3227457.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32887 + ... + 35106.

It is an arithmetic number, because the mean of its divisors is an integer number (5813487).

Almost surely, 2^75472230 is an apocalyptic number.

75472230 is an abundant number, since it is smaller than the sum of its proper divisors (110559354).

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

75472230 is a wasteful number, since it uses less digits than its factorization.

75472230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68040.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 75472230 is about 8687.4754675913. The cubic root of 75472230 is about 422.5995797165.

Adding to 75472230 its reverse (3227457), we get a palindrome (78699687).

The spelling of 75472230 in words is "seventy-five million, four hundred seventy-two thousand, two hundred thirty".