75020434 has 16 divisors (see below), whose sum is σ = 121213440. Its totient is φ = 34721280.

The previous prime is 75020389. The next prime is 75020437. The reversal of 75020434 is 43402057.

It is a junction number, because it is equal to n+sod(n) for n = 75020399 and 75020408.

It is not an unprimeable number, because it can be changed into a prime (75020437) 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, 24879 + ... + 27730.

It is an arithmetic number, because the mean of its divisors is an integer number (7575840).

Almost surely, 2^75020434 is an apocalyptic number.

75020434 is a deficient number, since it is larger than the sum of its proper divisors (46193006).

75020434 is a wasteful number, since it uses less digits than its factorization.

75020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52665.

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

The square root of 75020434 is about 8661.4337150382. The cubic root of 75020434 is about 421.7546285133.

The spelling of 75020434 in words is "seventy-five million, twenty thousand, four hundred thirty-four".