7142807 has 4 divisors (see below), whose sum is σ = 8163216. Its totient is φ = 6122400.

The previous prime is 7142791. The next prime is 7142809. The reversal of 7142807 is 7082417.

7142807 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: 7082417 = 149 ⋅47533.

It is a cyclic number.

It is not a de Polignac number, because 7142807 - 2⁴ = 7142791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7142807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142809) 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, 510194 + ... + 510207.

It is an arithmetic number, because the mean of its divisors is an integer number (2040804).

Almost surely, 2^7142807 is an apocalyptic number.

7142807 is a deficient number, since it is larger than the sum of its proper divisors (1020409).

7142807 is a wasteful number, since it uses less digits than its factorization.

7142807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020408.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 7142807 is about 2672.6030382382. The cubic root of 7142807 is about 192.5852279039.

The spelling of 7142807 in words is "seven million, one hundred forty-two thousand, eight hundred seven".