7487133 has 16 divisors (see below), whose sum is σ = 10584000. Its totient is φ = 4699520.

The previous prime is 7487131. The next prime is 7487149. The reversal of 7487133 is 3317847.

It is a cyclic number.

It is not a de Polignac number, because 7487133 - 2¹ = 7487131 is a prime.

7487133 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7487094 and 7487103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7487131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^7487133 is an apocalyptic number.

It is an amenable number.

7487133 is a deficient number, since it is larger than the sum of its proper divisors (3096867).

7487133 is a wasteful number, since it uses less digits than its factorization.

7487133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 14112, while the sum is 33.

The square root of 7487133 is about 2736.2625970473. The cubic root of 7487133 is about 195.6313788677.

The spelling of 7487133 in words is "seven million, four hundred eighty-seven thousand, one hundred thirty-three".