7479971 has 2 divisors, whose sum is σ = 7479972. Its totient is φ = 7479970.

The previous prime is 7479937. The next prime is 7480013. The reversal of 7479971 is 1799747.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7479971 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7479911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739985 + 3739986.

It is an arithmetic number, because the mean of its divisors is an integer number (3739986).

Almost surely, 2^7479971 is an apocalyptic number.

7479971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7479971 is an equidigital number, since it uses as much as digits as its factorization.

7479971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 44.

The square root of 7479971 is about 2734.9535645053. The cubic root of 7479971 is about 195.5689803088.

The spelling of 7479971 in words is "seven million, four hundred seventy-nine thousand, nine hundred seventy-one".