7140783 has 16 divisors (see below), whose sum is σ = 10306016. Its totient is φ = 4371840.

The previous prime is 7140779. The next prime is 7140797. The reversal of 7140783 is 3870417.

It is a happy number.

It is not a de Polignac number, because 7140783 - 2² = 7140779 is a prime.

It is a Duffinian number.

7140783 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7140783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140733) 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, 10473 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (644126).

Almost surely, 2^7140783 is an apocalyptic number.

7140783 is a deficient number, since it is larger than the sum of its proper divisors (3165233).

7140783 is a wasteful number, since it uses less digits than its factorization.

7140783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7140783 is about 2672.2243543535. The cubic root of 7140783 is about 192.5670357410.

The spelling of 7140783 in words is "seven million, one hundred forty thousand, seven hundred eighty-three".