7945049 has 4 divisors (see below), whose sum is σ = 9080064. Its totient is φ = 6810036.

The previous prime is 7945039. The next prime is 7945057. The reversal of 7945049 is 9405497.

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.

It is a cyclic number.

It is not a de Polignac number, because 7945049 - 2⁴ = 7945033 is a prime.

It is a super-2 number, since 2×7945049² = 126247607224802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7945039) 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, 567497 + ... + 567510.

It is an arithmetic number, because the mean of its divisors is an integer number (2270016).

Almost surely, 2^7945049 is an apocalyptic number.

It is an amenable number.

7945049 is a deficient number, since it is larger than the sum of its proper divisors (1135015).

7945049 is a wasteful number, since it uses less digits than its factorization.

7945049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135014.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 7945049 is about 2818.6963298660. The cubic root of 7945049 is about 199.5410225040.

The spelling of 7945049 in words is "seven million, nine hundred forty-five thousand, forty-nine".