7270149 has 4 divisors (see below), whose sum is σ = 9693536. Its totient is φ = 4846764.

The previous prime is 7270147. The next prime is 7270171. The reversal of 7270149 is 9410727.

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 an emirpimes, since its reverse is a distinct semiprime: 9410727 = 3 ⋅3136909.

It is not a de Polignac number, because 7270149 - 2¹ = 7270147 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 (7270147) 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, 1211689 + ... + 1211694.

It is an arithmetic number, because the mean of its divisors is an integer number (2423384).

Almost surely, 2^7270149 is an apocalyptic number.

It is an amenable number.

7270149 is a deficient number, since it is larger than the sum of its proper divisors (2423387).

7270149 is a wasteful number, since it uses less digits than its factorization.

7270149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423386.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 7270149 is about 2696.3213829216. The cubic root of 7270149 is about 193.7229634143.

The spelling of 7270149 in words is "seven million, two hundred seventy thousand, one hundred forty-nine".