7244749 has 4 divisors (see below), whose sum is σ = 7254940. Its totient is φ = 7234560.

The previous prime is 7244723. The next prime is 7244753. The reversal of 7244749 is 9474427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9474427 = 401 ⋅23627.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 4652649 = 1610^2 + 2157^2 .

It is a cyclic number.

It is not a de Polignac number, because 7244749 - 2⁵ = 7244717 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 (7244789) 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, 3942 + ... + 5479.

It is an arithmetic number, because the mean of its divisors is an integer number (1813735).

Almost surely, 2^7244749 is an apocalyptic number.

It is an amenable number.

7244749 is a deficient number, since it is larger than the sum of its proper divisors (10191).

7244749 is an equidigital number, since it uses as much as digits as its factorization.

7244749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190.

The product of its digits is 56448, while the sum is 37.

The square root of 7244749 is about 2691.6071407247. The cubic root of 7244749 is about 193.4970943707.

The spelling of 7244749 in words is "seven million, two hundred forty-four thousand, seven hundred forty-nine".