7418149 has 4 divisors (see below), whose sum is σ = 7539820. Its totient is φ = 7296480.

The previous prime is 7418141. The next prime is 7418153. The reversal of 7418149 is 9418147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9418147 = 2897 ⋅3251.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 7317025 = 318^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 7418149 - 2³ = 7418141 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7418141) 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, 60744 + ... + 60865.

It is an arithmetic number, because the mean of its divisors is an integer number (1884955).

Almost surely, 2^7418149 is an apocalyptic number.

It is an amenable number.

7418149 is a deficient number, since it is larger than the sum of its proper divisors (121671).

7418149 is a wasteful number, since it uses less digits than its factorization.

7418149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121670.

The product of its digits is 8064, while the sum is 34.

The square root of 7418149 is about 2723.6279114446. The cubic root of 7418149 is about 195.0286961933.

The spelling of 7418149 in words is "seven million, four hundred eighteen thousand, one hundred forty-nine".