7813274 has 8 divisors (see below), whose sum is σ = 13394208. Its totient is φ = 3348540.

The previous prime is 7813249. The next prime is 7813277. The reversal of 7813274 is 4723187.

It is a happy number.

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

It is a super-2 number, since 2×7813274² = 122094501198152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7813274.

It is not an unprimeable number, because it can be changed into a prime (7813277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279032 + ... + 279059.

It is an arithmetic number, because the mean of its divisors is an integer number (1674276).

Almost surely, 2^7813274 is an apocalyptic number.

7813274 is a deficient number, since it is larger than the sum of its proper divisors (5580934).

7813274 is a wasteful number, since it uses less digits than its factorization.

7813274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558100.

The product of its digits is 9408, while the sum is 32.

The square root of 7813274 is about 2795.2234257748. The cubic root of 7813274 is about 198.4316840712.

The spelling of 7813274 in words is "seven million, eight hundred thirteen thousand, two hundred seventy-four".