75453130 has 8 divisors (see below), whose sum is σ = 135815652. Its totient is φ = 30181248.

The previous prime is 75453127. The next prime is 75453139. The reversal of 75453130 is 3135457.

It can be written as a sum of positive squares in 2 ways, for example, as 73770921 + 1682209 = 8589^2 + 1297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75453139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3772647 + ... + 3772666.

Almost surely, 2^75453130 is an apocalyptic number.

75453130 is a deficient number, since it is larger than the sum of its proper divisors (60362522).

75453130 is a wasteful number, since it uses less digits than its factorization.

75453130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545320.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 75453130 is about 8686.3761143529. The cubic root of 75453130 is about 422.5639271638.

Adding to 75453130 its reverse (3135457), we get a palindrome (78588587).

The spelling of 75453130 in words is "seventy-five million, four hundred fifty-three thousand, one hundred thirty".