7474949 has 2 divisors, whose sum is σ = 7474950. Its totient is φ = 7474948.

The previous prime is 7474939. The next prime is 7474967. The reversal of 7474949 is 9494747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 1249924 = 2495^2 + 1118^2 .

It is an emirp because it is prime and its reverse (9494747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7474949 - 2⁴ = 7474933 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7474939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737474 + 3737475.

It is an arithmetic number, because the mean of its divisors is an integer number (3737475).

Almost surely, 2^7474949 is an apocalyptic number.

It is an amenable number.

7474949 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474949 is an equidigital number, since it uses as much as digits as its factorization.

7474949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 7474949 is about 2734.0352960414. The cubic root of 7474949 is about 195.5252026300.

The spelling of 7474949 in words is "seven million, four hundred seventy-four thousand, nine hundred forty-nine".