7312874 has 4 divisors (see below), whose sum is σ = 10969314. Its totient is φ = 3656436.

The previous prime is 7312867. The next prime is 7312909. The reversal of 7312874 is 4782137.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 1087849 = 2495^2 + 1043^2 .

It is a super-2 number, since 2×7312874² = 106956252279752, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7312874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1828217 + ... + 1828220.

Almost surely, 2^7312874 is an apocalyptic number.

7312874 is a deficient number, since it is larger than the sum of its proper divisors (3656440).

7312874 is a wasteful number, since it uses less digits than its factorization.

7312874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656439.

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

The square root of 7312874 is about 2704.2326083383. The cubic root of 7312874 is about 194.1017109336.

The spelling of 7312874 in words is "seven million, three hundred twelve thousand, eight hundred seventy-four".