7401445 has 8 divisors (see below), whose sum is σ = 8896536. Its totient is φ = 5911296.

The previous prime is 7401413. The next prime is 7401479. The reversal of 7401445 is 5441047.

It can be written as a sum of positive squares in 4 ways, for example, as 3814209 + 3587236 = 1953^2 + 1894^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7401445 - 2⁵ = 7401413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4449 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (1112067).

Almost surely, 2^7401445 is an apocalyptic number.

It is an amenable number.

7401445 is a deficient number, since it is larger than the sum of its proper divisors (1495091).

7401445 is a wasteful number, since it uses less digits than its factorization.

7401445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 7401445 is about 2720.5596850648. The cubic root of 7401445 is about 194.8821992863.

The spelling of 7401445 in words is "seven million, four hundred one thousand, four hundred forty-five".