7444013 has 4 divisors (see below), whose sum is σ = 7566108. Its totient is φ = 7321920.

The previous prime is 7443979. The next prime is 7444027. The reversal of 7444013 is 3104447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3104447 = 1553 ⋅1999.

It can be written as a sum of positive squares in 2 ways, for example, as 2439844 + 5004169 = 1562^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 7444013 - 2⁶ = 7443949 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 7444013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444033) 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, 60956 + ... + 61077.

It is an arithmetic number, because the mean of its divisors is an integer number (1891527).

Almost surely, 2^7444013 is an apocalyptic number.

It is an amenable number.

7444013 is a deficient number, since it is larger than the sum of its proper divisors (122095).

7444013 is a wasteful number, since it uses less digits than its factorization.

7444013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122094.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7444013 is about 2728.3718588198. The cubic root of 7444013 is about 195.2550945917.

The spelling of 7444013 in words is "seven million, four hundred forty-four thousand, thirteen".