7290274 has 4 divisors (see below), whose sum is σ = 10935414. Its totient is φ = 3645136.

The previous prime is 7290271. The next prime is 7290289. The reversal of 7290274 is 4720927.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4720927 = 43 ⋅109789.

It can be written as a sum of positive squares in only one way, i.e., 7252249 + 38025 = 2693^2 + 195^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7290271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822567 + ... + 1822570.

Almost surely, 2^7290274 is an apocalyptic number.

7290274 is a deficient number, since it is larger than the sum of its proper divisors (3645140).

7290274 is a wasteful number, since it uses less digits than its factorization.

7290274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645139.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7290274 is about 2700.0507402640. The cubic root of 7290274 is about 193.9015513527.

The spelling of 7290274 in words is "seven million, two hundred ninety thousand, two hundred seventy-four".