7475427 has 12 divisors (see below), whose sum is σ = 11433240. Its totient is φ = 4690368.

The previous prime is 7475411. The next prime is 7475441. The reversal of 7475427 is 7245747.

It is a happy number.

It is not a de Polignac number, because 7475427 - 2⁴ = 7475411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7475391 and 7475400.

It is not an unprimeable number, because it can be changed into a prime (7475467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24277 + ... + 24582.

It is an arithmetic number, because the mean of its divisors is an integer number (952770).

Almost surely, 2^7475427 is an apocalyptic number.

7475427 is a deficient number, since it is larger than the sum of its proper divisors (3957813).

7475427 is a wasteful number, since it uses less digits than its factorization.

7475427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48882 (or 48879 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 7475427 is about 2734.1227112184. The cubic root of 7475427 is about 195.5293702863.

The spelling of 7475427 in words is "seven million, four hundred seventy-five thousand, four hundred twenty-seven".