7042807 has 4 divisors (see below), whose sum is σ = 7349040. Its totient is φ = 6736576.

The previous prime is 7042801. The next prime is 7042823. The reversal of 7042807 is 7082407.

7042807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7082407 = 331 ⋅21397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7042807 is a prime.

It is a super-2 number, since 2×7042807² = 99202260878498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153082 + ... + 153127.

It is an arithmetic number, because the mean of its divisors is an integer number (1837260).

Almost surely, 2^7042807 is an apocalyptic number.

7042807 is a deficient number, since it is larger than the sum of its proper divisors (306233).

7042807 is a wasteful number, since it uses less digits than its factorization.

7042807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306232.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7042807 is about 2653.8287435326. The cubic root of 7042807 is about 191.6822634651.

The spelling of 7042807 in words is "seven million, forty-two thousand, eight hundred seven".