7042949 has 2 divisors, whose sum is σ = 7042950. Its totient is φ = 7042948.

The previous prime is 7042933. The next prime is 7042961. The reversal of 7042949 is 9492407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 20449 = 2650^2 + 143^2 .

It is an emirp because it is prime and its reverse (9492407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7042949 - 2⁴ = 7042933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7042349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521474 + 3521475.

It is an arithmetic number, because the mean of its divisors is an integer number (3521475).

Almost surely, 2^7042949 is an apocalyptic number.

It is an amenable number.

7042949 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042949 is an equidigital number, since it uses as much as digits as its factorization.

7042949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7042949 is about 2653.8554971965. The cubic root of 7042949 is about 191.6835517156.

The spelling of 7042949 in words is "seven million, forty-two thousand, nine hundred forty-nine".