7842495 has 16 divisors (see below), whose sum is σ = 12604032. Its totient is φ = 4164000.

The previous prime is 7842493. The next prime is 7842503. The reversal of 7842495 is 5942487.

It is not a de Polignac number, because 7842495 - 2¹ = 7842493 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842493) 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 15 ways as a sum of consecutive naturals, for example, 2724 + ... + 4806.

It is an arithmetic number, because the mean of its divisors is an integer number (787752).

Almost surely, 2^7842495 is an apocalyptic number.

7842495 is a deficient number, since it is larger than the sum of its proper divisors (4761537).

7842495 is a wasteful number, since it uses less digits than its factorization.

7842495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its digits is 80640, while the sum is 39.

The square root of 7842495 is about 2800.4455002731. The cubic root of 7842495 is about 198.6787490337.

The spelling of 7842495 in words is "seven million, eight hundred forty-two thousand, four hundred ninety-five".