7274257 has 4 divisors (see below), whose sum is σ = 7382896. Its totient is φ = 7165620.

The previous prime is 7274251. The next prime is 7274263. The reversal of 7274257 is 7524727.

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 an interprime number because it is at equal distance from previous prime (7274251) and next prime (7274263).

It is a cyclic number.

It is not a de Polignac number, because 7274257 - 2⁷ = 7274129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7274251) 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, 54219 + ... + 54352.

It is an arithmetic number, because the mean of its divisors is an integer number (1845724).

Almost surely, 2^7274257 is an apocalyptic number.

It is an amenable number.

7274257 is a deficient number, since it is larger than the sum of its proper divisors (108639).

7274257 is a wasteful number, since it uses less digits than its factorization.

7274257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108638.

The product of its digits is 27440, while the sum is 34.

The square root of 7274257 is about 2697.0830539677. The cubic root of 7274257 is about 193.7594442847.

The spelling of 7274257 in words is "seven million, two hundred seventy-four thousand, two hundred fifty-seven".