75425474 has 4 divisors (see below), whose sum is σ = 113138214. Its totient is φ = 37712736.

The previous prime is 75425461. The next prime is 75425489. The reversal of 75425474 is 47452457.

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., 71284249 + 4141225 = 8443^2 + 2035^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18856367 + ... + 18856370.

Almost surely, 2^75425474 is an apocalyptic number.

75425474 is a deficient number, since it is larger than the sum of its proper divisors (37712740).

75425474 is a wasteful number, since it uses less digits than its factorization.

75425474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37712739.

The product of its digits is 156800, while the sum is 38.

The square root of 75425474 is about 8684.7840502801. The cubic root of 75425474 is about 422.5122930961.

The spelling of 75425474 in words is "seventy-five million, four hundred twenty-five thousand, four hundred seventy-four".