7249993 has 4 divisors (see below), whose sum is σ = 7261380. Its totient is φ = 7238608.

The previous prime is 7249981. The next prime is 7249997. The reversal of 7249993 is 3999427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3999427 = 41 ⋅97547.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 131769 = 2668^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 7249993 - 2⁵ = 7249961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7249997) 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, 4678 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (1815345).

Almost surely, 2^7249993 is an apocalyptic number.

It is an amenable number.

7249993 is a deficient number, since it is larger than the sum of its proper divisors (11387).

7249993 is a wasteful number, since it uses less digits than its factorization.

7249993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386.

The product of its digits is 122472, while the sum is 43.

The square root of 7249993 is about 2692.5811036996. The cubic root of 7249993 is about 193.5437697414.

It can be divided in two parts, 7 and 249993, that added together give a square (250000 = 500²).

The spelling of 7249993 in words is "seven million, two hundred forty-nine thousand, nine hundred ninety-three".