74059813 has 4 divisors (see below), whose sum is σ = 74089260. Its totient is φ = 74030368.

The previous prime is 74059807. The next prime is 74059819. The reversal of 74059813 is 31895047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31895047 = 409 ⋅77983.

It is an interprime number because it is at equal distance from previous prime (74059807) and next prime (74059819).

It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 26697889 = 6882^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 74059813 - 2¹⁷ = 73928741 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 (74059819) 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, 10558 + ... + 16111.

It is an arithmetic number, because the mean of its divisors is an integer number (18522315).

Almost surely, 2^74059813 is an apocalyptic number.

It is an amenable number.

74059813 is a deficient number, since it is larger than the sum of its proper divisors (29447).

74059813 is a wasteful number, since it uses less digits than its factorization.

74059813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29446.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 74059813 is about 8605.8011248227. The cubic root of 74059813 is about 419.9467298274.

The spelling of 74059813 in words is "seventy-four million, fifty-nine thousand, eight hundred thirteen".