74486263 has 4 divisors (see below), whose sum is σ = 74510280. Its totient is φ = 74462248.

The previous prime is 74486257. The next prime is 74486281. The reversal of 74486263 is 36268447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36268447 = 23 ⋅1576889.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74486263 is a prime.

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 Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74486233) 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, 6520 + ... + 13837.

It is an arithmetic number, because the mean of its divisors is an integer number (18627570).

Almost surely, 2^74486263 is an apocalyptic number.

74486263 is a deficient number, since it is larger than the sum of its proper divisors (24017).

74486263 is a wasteful number, since it uses less digits than its factorization.

74486263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24016.

The product of its digits is 193536, while the sum is 40.

The square root of 74486263 is about 8630.5424510861. The cubic root of 74486263 is about 420.7512310986.

The spelling of 74486263 in words is "seventy-four million, four hundred eighty-six thousand, two hundred sixty-three".