74090413 has 4 divisors (see below), whose sum is σ = 74108160. Its totient is φ = 74072668.

The previous prime is 74090411. The next prime is 74090473. The reversal of 74090413 is 31409047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31409047 = 17 ⋅1847591.

It is a cyclic number.

It is not a de Polignac number, because 74090413 - 2¹ = 74090411 is a prime.

It is a super-3 number, since 3×74090413³ (a number of 25 digits) contains 333 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 (74090411) 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, 1206 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (18527040).

Almost surely, 2^74090413 is an apocalyptic number.

It is an amenable number.

74090413 is a deficient number, since it is larger than the sum of its proper divisors (17747).

74090413 is a wasteful number, since it uses less digits than its factorization.

74090413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 74090413 is about 8607.5788117217. The cubic root of 74090413 is about 420.0045596633.

The spelling of 74090413 in words is "seventy-four million, ninety thousand, four hundred thirteen".