74027405 has 4 divisors (see below), whose sum is σ = 88832892. Its totient is φ = 59221920.

The previous prime is 74027357. The next prime is 74027431. The reversal of 74027405 is 50472047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50472047 = 3191 ⋅15817.

It can be written as a sum of positive squares in 2 ways, for example, as 23290276 + 50737129 = 4826^2 + 7123^2 .

It is not a de Polignac number, because 74027405 - 2⁶ = 74027341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7402736 + ... + 7402745.

It is an arithmetic number, because the mean of its divisors is an integer number (22208223).

Almost surely, 2^74027405 is an apocalyptic number.

It is an amenable number.

74027405 is a deficient number, since it is larger than the sum of its proper divisors (14805487).

74027405 is a wasteful number, since it uses less digits than its factorization.

74027405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14805486.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 74027405 is about 8603.9180028636. The cubic root of 74027405 is about 419.8854657458.

The spelling of 74027405 in words is "seventy-four million, twenty-seven thousand, four hundred five".