7140044 has 24 divisors (see below), whose sum is σ = 13095936. Its totient is φ = 3402000.

The previous prime is 7140041. The next prime is 7140047. The reversal of 7140044 is 4400417.

It is an interprime number because it is at equal distance from previous prime (7140041) and next prime (7140047).

It is a junction number, because it is equal to n+sod(n) for n = 7139998 and 7140025.

It is not an unprimeable number, because it can be changed into a prime (7140041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8399 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (545664).

Almost surely, 2^7140044 is an apocalyptic number.

It is an amenable number.

7140044 is a deficient number, since it is larger than the sum of its proper divisors (5955892).

7140044 is a wasteful number, since it uses less digits than its factorization.

7140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 7140044 is about 2672.0860764579. The cubic root of 7140044 is about 192.5603925877.

The spelling of 7140044 in words is "seven million, one hundred forty thousand, forty-four".