74485563 has 4 divisors (see below), whose sum is σ = 99314088. Its totient is φ = 49657040.

The previous prime is 74485559. The next prime is 74485573. The reversal of 74485563 is 36558447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36558447 = 3 ⋅12186149.

It is a cyclic number.

It is not a de Polignac number, because 74485563 - 2² = 74485559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74485573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12414258 + ... + 12414263.

It is an arithmetic number, because the mean of its divisors is an integer number (24828522).

Almost surely, 2^74485563 is an apocalyptic number.

74485563 is a deficient number, since it is larger than the sum of its proper divisors (24828525).

74485563 is a wasteful number, since it uses less digits than its factorization.

74485563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24828524.

The product of its digits is 403200, while the sum is 42.

The square root of 74485563 is about 8630.5018973406. The cubic root of 74485563 is about 420.7499130623.

The spelling of 74485563 in words is "seventy-four million, four hundred eighty-five thousand, five hundred sixty-three".