7940241 has 16 divisors (see below), whose sum is σ = 12456000. Its totient is φ = 4981824.

The previous prime is 7940239. The next prime is 7940243. The reversal of 7940241 is 1420497.

7940241 = T₉₅₈ + T₉₅₉ + ... + T₉₇₄.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7940239) and next prime (7940243).

It is not a de Polignac number, because 7940241 - 2¹ = 7940239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7940243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8191 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (778500).

Almost surely, 2^7940241 is an apocalyptic number.

It is an amenable number.

7940241 is a deficient number, since it is larger than the sum of its proper divisors (4515759).

7940241 is a wasteful number, since it uses less digits than its factorization.

7940241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17325 (or 17319 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7940241 is about 2817.8433242464. The cubic root of 7940241 is about 199.5007631832.

The spelling of 7940241 in words is "seven million, nine hundred forty thousand, two hundred forty-one".