7137427 has 12 divisors (see below), whose sum is σ = 7982128. Its totient is φ = 6375600.

The previous prime is 7137421. The next prime is 7137437. The reversal of 7137427 is 7247317.

It is not a de Polignac number, because 7137427 - 2¹¹ = 7135379 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 7³ + 1 + 3⁹ + 7⁴ + 4¹¹ + 2²¹ + 7⁷ .

It is not an unprimeable number, because it can be changed into a prime (7137421) 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, 6898 + ... + 7864.

Almost surely, 2^7137427 is an apocalyptic number.

7137427 is a deficient number, since it is larger than the sum of its proper divisors (844701).

7137427 is a wasteful number, since it uses less digits than its factorization.

7137427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1039 counting only the distinct ones).

The product of its digits is 8232, while the sum is 31.

The square root of 7137427 is about 2671.5963392698. The cubic root of 7137427 is about 192.5368636885.

The spelling of 7137427 in words is "seven million, one hundred thirty-seven thousand, four hundred twenty-seven".