7274561 has 8 divisors (see below), whose sum is σ = 8378304. Its totient is φ = 6186960.

The previous prime is 7274543. The next prime is 7274569. The reversal of 7274561 is 1654727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7274561 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7274569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (1047288).

Almost surely, 2^7274561 is an apocalyptic number.

It is an amenable number.

7274561 is a deficient number, since it is larger than the sum of its proper divisors (1103743).

7274561 is a wasteful number, since it uses less digits than its factorization.

7274561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071.

The product of its digits is 11760, while the sum is 32.

The square root of 7274561 is about 2697.1394105608. The cubic root of 7274561 is about 193.7621433943.

The spelling of 7274561 in words is "seven million, two hundred seventy-four thousand, five hundred sixty-one".