7290971 has 2 divisors, whose sum is σ = 7290972. Its totient is φ = 7290970.

The previous prime is 7290949. The next prime is 7290979. The reversal of 7290971 is 1790927.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7290971 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7290979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3645485 + 3645486.

It is an arithmetic number, because the mean of its divisors is an integer number (3645486).

Almost surely, 2^7290971 is an apocalyptic number.

7290971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7290971 is an equidigital number, since it uses as much as digits as its factorization.

7290971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 7290971 is about 2700.1798088276. The cubic root of 7290971 is about 193.9077305934.

The spelling of 7290971 in words is "seven million, two hundred ninety thousand, nine hundred seventy-one".