75434020 has 24 divisors (see below), whose sum is σ = 165299904. Its totient is φ = 28861536.

The previous prime is 75434011. The next prime is 75434033. The reversal of 75434020 is 2043457.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81534 + ... + 82453.

It is an arithmetic number, because the mean of its divisors is an integer number (6887496).

Almost surely, 2^75434020 is an apocalyptic number.

It is an amenable number.

75434020 is an abundant number, since it is smaller than the sum of its proper divisors (89865884).

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

75434020 is a wasteful number, since it uses less digits than its factorization.

75434020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164019 (or 164017 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 75434020 is about 8685.2760462751. The cubic root of 75434020 is about 422.5282499230.

Adding to 75434020 its reverse (2043457), we get a palindrome (77477477).

The spelling of 75434020 in words is "seventy-five million, four hundred thirty-four thousand, twenty".