3438074578 has 4 divisors (see below), whose sum is σ = 5157111870. Its totient is φ = 1719037288.

The previous prime is 3438074573. The next prime is 3438074579. The reversal of 3438074578 is 8754708343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3427751209 + 10323369 = 58547^2 + 3213^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3438074573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 859518643 + ... + 859518646.

Almost surely, 2^3438074578 is an apocalyptic number.

3438074578 is a deficient number, since it is larger than the sum of its proper divisors (1719037292).

3438074578 is a wasteful number, since it uses less digits than its factorization.

3438074578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719037291.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 3438074578 is about 58635.0968106986. The cubic root of 3438074578 is about 1509.2867672394.

The spelling of 3438074578 in words is "three billion, four hundred thirty-eight million, seventy-four thousand, five hundred seventy-eight".