75153430 has 32 divisors (see below), whose sum is σ = 156258720. Its totient is φ = 25720320.

The previous prime is 75153391. The next prime is 75153437. The reversal of 75153430 is 3435157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75153437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18225 + ... + 21964.

It is an arithmetic number, because the mean of its divisors is an integer number (4883085).

Almost surely, 2^75153430 is an apocalyptic number.

75153430 is an abundant number, since it is smaller than the sum of its proper divisors (81105290).

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

75153430 is a wasteful number, since it uses less digits than its factorization.

75153430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40224.

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

The square root of 75153430 is about 8669.1077972303. The cubic root of 75153430 is about 422.0037098272.

Adding to 75153430 its reverse (3435157), we get a palindrome (78588587).

The spelling of 75153430 in words is "seventy-five million, one hundred fifty-three thousand, four hundred thirty".