7449971 has 2 divisors, whose sum is σ = 7449972. Its totient is φ = 7449970.

The previous prime is 7449941. The next prime is 7449973. The reversal of 7449971 is 1799447.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7449971 is a prime.

Together with 7449973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7449973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724985 + 3724986.

It is an arithmetic number, because the mean of its divisors is an integer number (3724986).

Almost surely, 2^7449971 is an apocalyptic number.

7449971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7449971 is an equidigital number, since it uses as much as digits as its factorization.

7449971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 7449971 is about 2729.4635003971. The cubic root of 7449971 is about 195.3071731155.

The spelling of 7449971 in words is "seven million, four hundred forty-nine thousand, nine hundred seventy-one".