7056739 has 4 divisors (see below), whose sum is σ = 7092400. Its totient is φ = 7021080.

The previous prime is 7056727. The next prime is 7056779. The reversal of 7056739 is 9376507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7056739 - 2⁷ = 7056611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7056698 and 7056707.

It is not an unprimeable number, because it can be changed into a prime (7056719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17532 + ... + 17929.

It is an arithmetic number, because the mean of its divisors is an integer number (1773100).

Almost surely, 2^7056739 is an apocalyptic number.

7056739 is a deficient number, since it is larger than the sum of its proper divisors (35661).

7056739 is a wasteful number, since it uses less digits than its factorization.

7056739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35660.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 7056739 is about 2656.4523334703. The cubic root of 7056739 is about 191.8085747639.

The spelling of 7056739 in words is "seven million, fifty-six thousand, seven hundred thirty-nine".