74136013 has 8 divisors (see below), whose sum is σ = 84965760. Its totient is φ = 63366000.

The previous prime is 74136011. The next prime is 74136047. The reversal of 74136013 is 31063147.

74136013 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74136013 - 2¹ = 74136011 is a prime.

It is a super-2 number, since 2×74136013² = 10992296847072338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74136011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12238 + ... + 17263.

It is an arithmetic number, because the mean of its divisors is an integer number (10620720).

Almost surely, 2^74136013 is an apocalyptic number.

It is an amenable number.

74136013 is a deficient number, since it is larger than the sum of its proper divisors (10829747).

74136013 is a wasteful number, since it uses less digits than its factorization.

74136013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29867.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 74136013 is about 8610.2272327738. The cubic root of 74136013 is about 420.0907079215.

The spelling of 74136013 in words is "seventy-four million, one hundred thirty-six thousand, thirteen".