7409947 has 2 divisors, whose sum is σ = 7409948. Its totient is φ = 7409946.

The previous prime is 7409921. The next prime is 7409989. The reversal of 7409947 is 7499047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7409947 - 2¹¹ = 7407899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7409917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3704973 + 3704974.

It is an arithmetic number, because the mean of its divisors is an integer number (3704974).

Almost surely, 2^7409947 is an apocalyptic number.

7409947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7409947 is an equidigital number, since it uses as much as digits as its factorization.

7409947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7409947 is about 2722.1217827276. The cubic root of 7409947 is about 194.9567907768.

The spelling of 7409947 in words is "seven million, four hundred nine thousand, nine hundred forty-seven".