7442813 has 16 divisors (see below), whose sum is σ = 9054720. Its totient is φ = 5975856.

The previous prime is 7442801. The next prime is 7442833. The reversal of 7442813 is 3182447.

It is a cyclic number.

It is not a de Polignac number, because 7442813 - 2⁴ = 7442797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13970 + ... + 14492.

It is an arithmetic number, because the mean of its divisors is an integer number (565920).

Almost surely, 2^7442813 is an apocalyptic number.

It is an amenable number.

7442813 is a deficient number, since it is larger than the sum of its proper divisors (1611907).

7442813 is a wasteful number, since it uses less digits than its factorization.

7442813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its digits is 5376, while the sum is 29.

The square root of 7442813 is about 2728.1519385841. The cubic root of 7442813 is about 195.2446021013.

The spelling of 7442813 in words is "seven million, four hundred forty-two thousand, eight hundred thirteen".