75478162 has 4 divisors (see below), whose sum is σ = 113217246. Its totient is φ = 37739080.

The previous prime is 75478159. The next prime is 75478163. The reversal of 75478162 is 26187457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26187457 = 1213 ⋅21589.

It can be written as a sum of positive squares in only one way, i.e., 73290721 + 2187441 = 8561^2 + 1479^2 .

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 not an unprimeable number, because it can be changed into a prime (75478163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18869539 + ... + 18869542.

Almost surely, 2^75478162 is an apocalyptic number.

75478162 is a deficient number, since it is larger than the sum of its proper divisors (37739084).

75478162 is a wasteful number, since it uses less digits than its factorization.

75478162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37739083.

The product of its digits is 94080, while the sum is 40.

The square root of 75478162 is about 8687.8168719190. The cubic root of 75478162 is about 422.6106513166.

The spelling of 75478162 in words is "seventy-five million, four hundred seventy-eight thousand, one hundred sixty-two".