7404949 has 4 divisors (see below), whose sum is σ = 7411936. Its totient is φ = 7397964.

The previous prime is 7404931. The next prime is 7404961. The reversal of 7404949 is 9494047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9494047 = 47 ⋅202001.

It is a cyclic number.

It is not a de Polignac number, because 7404949 - 2⁹ = 7404437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7401949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (1852984).

Almost surely, 2^7404949 is an apocalyptic number.

It is an amenable number.

7404949 is a deficient number, since it is larger than the sum of its proper divisors (6987).

7404949 is a wasteful number, since it uses less digits than its factorization.

7404949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7404949 is about 2721.2035940003. The cubic root of 7404949 is about 194.9129482141.

The spelling of 7404949 in words is "seven million, four hundred four thousand, nine hundred forty-nine".