74025863 has 4 divisors (see below), whose sum is σ = 76026600. Its totient is φ = 72025128.

The previous prime is 74025851. The next prime is 74025907. The reversal of 74025863 is 36852047.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74025863 - 2²⁰ = 72977287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74025823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000313 + ... + 1000386.

It is an arithmetic number, because the mean of its divisors is an integer number (19006650).

Almost surely, 2^74025863 is an apocalyptic number.

74025863 is a deficient number, since it is larger than the sum of its proper divisors (2000737).

74025863 is a wasteful number, since it uses less digits than its factorization.

74025863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000736.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 74025863 is about 8603.8283920590. The cubic root of 74025863 is about 419.8825503035.

The spelling of 74025863 in words is "seventy-four million, twenty-five thousand, eight hundred sixty-three".