7241905 has 8 divisors (see below), whose sum is σ = 9480384. Its totient is φ = 5266800.

The previous prime is 7241903. The next prime is 7241911. The reversal of 7241905 is 5091427.

It is a happy number.

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

It is not a de Polignac number, because 7241905 - 2¹ = 7241903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7241903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65781 + ... + 65890.

It is an arithmetic number, because the mean of its divisors is an integer number (1185048).

Almost surely, 2^7241905 is an apocalyptic number.

It is an amenable number.

7241905 is a deficient number, since it is larger than the sum of its proper divisors (2238479).

7241905 is a wasteful number, since it uses less digits than its factorization.

7241905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131687.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7241905 is about 2691.0787799691. The cubic root of 7241905 is about 193.4717713051.

The spelling of 7241905 in words is "seven million, two hundred forty-one thousand, nine hundred five".