7140663 has 32 divisors (see below), whose sum is σ = 11473920. Its totient is φ = 4371840.

The previous prime is 7140647. The next prime is 7140671. The reversal of 7140663 is 3660417.

It is not a de Polignac number, because 7140663 - 2⁴ = 7140647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21408 + ... + 21738.

It is an arithmetic number, because the mean of its divisors is an integer number (358560).

Almost surely, 2^7140663 is an apocalyptic number.

7140663 is a deficient number, since it is larger than the sum of its proper divisors (4333257).

7140663 is a wasteful number, since it uses less digits than its factorization.

7140663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7140663 is about 2672.2019010546. The cubic root of 7140663 is about 192.5659570463.

The spelling of 7140663 in words is "seven million, one hundred forty thousand, six hundred sixty-three".