7490008049 has 4 divisors (see below), whose sum is σ = 7490184564. Its totient is φ = 7489831536.

The previous prime is 7490008039. The next prime is 7490008067. The reversal of 7490008049 is 9408000947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9408000947 = 83 ⋅113349409.

It can be written as a sum of positive squares in 2 ways, for example, as 3252649024 + 4237359025 = 57032^2 + 65095^2 .

It is a cyclic number.

It is not a de Polignac number, because 7490008049 - 2²⁰ = 7488959473 is a prime.

It is a super-2 number, since 2×7490008049² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7490007997 and 7490008015.

It is not an unprimeable number, because it can be changed into a prime (7490008039) 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, 18179 + ... + 123735.

It is an arithmetic number, because the mean of its divisors is an integer number (1872546141).

Almost surely, 2^7490008049 is an apocalyptic number.

It is an amenable number.

7490008049 is a deficient number, since it is larger than the sum of its proper divisors (176515).

7490008049 is a wasteful number, since it uses less digits than its factorization.

7490008049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176514.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 7490008049 is about 86544.8325955975. The cubic root of 7490008049 is about 1956.5641639194.

The spelling of 7490008049 in words is "seven billion, four hundred ninety million, eight thousand, forty-nine".