74380811 has 4 divisors (see below), whose sum is σ = 76780224. Its totient is φ = 71981400.

The previous prime is 74380799. The next prime is 74380819. The reversal of 74380811 is 11808347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11808347 = 53 ⋅222799.

It is a cyclic number.

It is not a de Polignac number, because 74380811 - 2¹⁰ = 74379787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74380819) 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, 1199660 + ... + 1199721.

It is an arithmetic number, because the mean of its divisors is an integer number (19195056).

Almost surely, 2^74380811 is an apocalyptic number.

74380811 is a deficient number, since it is larger than the sum of its proper divisors (2399413).

74380811 is a wasteful number, since it uses less digits than its factorization.

74380811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399412.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 74380811 is about 8624.4310536986. The cubic root of 74380811 is about 420.5525814343.

The spelling of 74380811 in words is "seventy-four million, three hundred eighty thousand, eight hundred eleven".