74713811 has 4 divisors (see below), whose sum is σ = 74764392. Its totient is φ = 74663232.

The previous prime is 74713801. The next prime is 74713817. The reversal of 74713811 is 11831747.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74713811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74713817) 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, 23006 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (18691098).

Almost surely, 2^74713811 is an apocalyptic number.

74713811 is a deficient number, since it is larger than the sum of its proper divisors (50581).

74713811 is a wasteful number, since it uses less digits than its factorization.

74713811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50580.

The product of its digits is 4704, while the sum is 32.

The square root of 74713811 is about 8643.7151156201. The cubic root of 74713811 is about 421.1792463651.

The spelling of 74713811 in words is "seventy-four million, seven hundred thirteen thousand, eight hundred eleven".