7321257440674 has 4 divisors (see below), whose sum is σ = 10981886161014. Its totient is φ = 3660628720336.

The previous prime is 7321257440663. The next prime is 7321257440687. The reversal of 7321257440674 is 4760447521237.

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., 5397058446649 + 1924198994025 = 2323157^2 + 1387155^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830314360167 + ... + 1830314360170.

Almost surely, 2^{7321257440674} is an apocalyptic number.

7321257440674 is a deficient number, since it is larger than the sum of its proper divisors (3660628720340).

7321257440674 is a wasteful number, since it uses less digits than its factorization.

7321257440674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660628720339.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 7321257440674 in words is "seven trillion, three hundred twenty-one billion, two hundred fifty-seven million, four hundred forty thousand, six hundred seventy-four".