7423745 has 24 divisors (see below), whose sum is σ = 10482984. Its totient is φ = 5031936.

The previous prime is 7423727. The next prime is 7423751. The reversal of 7423745 is 5473247.

It can be written as a sum of positive squares in 4 ways, for example, as 47089 + 7376656 = 217^2 + 2716^2 .

It is not a de Polignac number, because 7423745 - 2⁸ = 7423489 is a prime.

It is a super-2 number, since 2×7423745² = 110223979650050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38369 + ... + 38561.

It is an arithmetic number, because the mean of its divisors is an integer number (436791).

Almost surely, 2^7423745 is an apocalyptic number.

It is an amenable number.

7423745 is a deficient number, since it is larger than the sum of its proper divisors (3059239).

7423745 is a wasteful number, since it uses less digits than its factorization.

7423745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 362 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 7423745 is about 2724.6550240352. The cubic root of 7423745 is about 195.0777248780.

The spelling of 7423745 in words is "seven million, four hundred twenty-three thousand, seven hundred forty-five".