74407 has 4 divisors (see below), whose sum is σ = 76456. Its totient is φ = 72360.

The previous prime is 74383. The next prime is 74411. The reversal of 74407 is 70447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70447 = 13 ⋅5419.

It is a cyclic number.

It is not a de Polignac number, because 74407 - 2⁷ = 74279 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 (74507) 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, 969 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (19114).

2⁷⁴⁴⁰⁷ is an apocalyptic number.

74407 is a deficient number, since it is larger than the sum of its proper divisors (2049).

74407 is a wasteful number, since it uses less digits than its factorization.

74407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 74407 is about 272.7764652605. The cubic root of 74407 is about 42.0601933586.

It can be divided in two parts, 7440 and 7, that added together give a palindrome (7447).

The spelling of 74407 in words is "seventy-four thousand, four hundred seven", and thus it is an iban number.