7621241 has 4 divisors (see below), whose sum is σ = 7765092. Its totient is φ = 7477392.

The previous prime is 7621217. The next prime is 7621249. The reversal of 7621241 is 1421267.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 5359225 = 1504^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 7621241 - 2⁶ = 7621177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7621249) 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, 71846 + ... + 71951.

It is an arithmetic number, because the mean of its divisors is an integer number (1941273).

Almost surely, 2^7621241 is an apocalyptic number.

It is an amenable number.

7621241 is a deficient number, since it is larger than the sum of its proper divisors (143851).

7621241 is a wasteful number, since it uses less digits than its factorization.

7621241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143850.

The product of its digits is 672, while the sum is 23.

The square root of 7621241 is about 2760.6595226503. The cubic root of 7621241 is about 196.7925100290.

The spelling of 7621241 in words is "seven million, six hundred twenty-one thousand, two hundred forty-one".