75505434 has 16 divisors (see below), whose sum is σ = 153487200. Its totient is φ = 24755760.

The previous prime is 75505379. The next prime is 75505457. The reversal of 75505434 is 43450557.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75505395 and 75505404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102784 + ... + 103515.

It is an arithmetic number, because the mean of its divisors is an integer number (9592950).

Almost surely, 2^75505434 is an apocalyptic number.

75505434 is an abundant number, since it is smaller than the sum of its proper divisors (77981766).

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

75505434 is a wasteful number, since it uses less digits than its factorization.

75505434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206365.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 75505434 is about 8689.3862844277. The cubic root of 75505434 is about 422.6615448445.

The spelling of 75505434 in words is "seventy-five million, five hundred five thousand, four hundred thirty-four".