7201405 has 8 divisors (see below), whose sum is σ = 8705592. Its totient is φ = 5718528.

The previous prime is 7201357. The next prime is 7201423. The reversal of 7201405 is 5041027.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 7198489 = 54^2 + 2683^2 .

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 7201405 - 2¹⁷ = 7070333 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, 4572 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (1088199).

Almost surely, 2^7201405 is an apocalyptic number.

It is an amenable number.

7201405 is a deficient number, since it is larger than the sum of its proper divisors (1504187).

7201405 is a wasteful number, since it uses less digits than its factorization.

7201405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7201405 is about 2683.5433665212. The cubic root of 7201405 is about 193.1104364059.

The spelling of 7201405 in words is "seven million, two hundred one thousand, four hundred five".