7216274 has 8 divisors (see below), whose sum is σ = 11657100. Its totient is φ = 3330576.

The previous prime is 7216247. The next prime is 7216277. The reversal of 7216274 is 4726127.

It can be written as a sum of positive squares in 2 ways, for example, as 6285049 + 931225 = 2507^2 + 965^2 .

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

It is a super-2 number, since 2×7216274² = 104149220886152, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7216277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138749 + ... + 138800.

Almost surely, 2^7216274 is an apocalyptic number.

7216274 is a deficient number, since it is larger than the sum of its proper divisors (4440826).

7216274 is a wasteful number, since it uses less digits than its factorization.

7216274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277564.

The product of its digits is 4704, while the sum is 29.

The square root of 7216274 is about 2686.3123422268. The cubic root of 7216274 is about 193.2432523931.

The spelling of 7216274 in words is "seven million, two hundred sixteen thousand, two hundred seventy-four".