7961247 has 40 divisors (see below), whose sum is σ = 14326400. Its totient is φ = 4304016.

The previous prime is 7961231. The next prime is 7961267. The reversal of 7961247 is 7421697.

It is a happy number.

7961247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7961247 - 2⁴ = 7961231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7961227) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10404 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (358160).

Almost surely, 2^7961247 is an apocalyptic number.

7961247 is a deficient number, since it is larger than the sum of its proper divisors (6365153).

7961247 is a wasteful number, since it uses less digits than its factorization.

7961247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 768 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 7961247 is about 2821.5681809944. The cubic root of 7961247 is about 199.6765354689.

The spelling of 7961247 in words is "seven million, nine hundred sixty-one thousand, two hundred forty-seven".