75034678 has 4 divisors (see below), whose sum is σ = 112552020. Its totient is φ = 37517338.

The previous prime is 75034669. The next prime is 75034681. The reversal of 75034678 is 87643057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87643057 = 281 ⋅311897.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 75034678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18758668 + ... + 18758671.

It is an arithmetic number, because the mean of its divisors is an integer number (28138005).

Almost surely, 2^75034678 is an apocalyptic number.

75034678 is a deficient number, since it is larger than the sum of its proper divisors (37517342).

75034678 is a wasteful number, since it uses less digits than its factorization.

75034678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37517341.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 75034678 is about 8662.2559417279. The cubic root of 75034678 is about 421.7813194313.

The spelling of 75034678 in words is "seventy-five million, thirty-four thousand, six hundred seventy-eight".