7321274477 has 4 divisors (see below), whose sum is σ = 7986844896. Its totient is φ = 6655704060.

The previous prime is 7321274449. The next prime is 7321274501. The reversal of 7321274477 is 7744721237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7321274477 - 2⁸ = 7321274221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7321274437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332785193 + ... + 332785214.

It is an arithmetic number, because the mean of its divisors is an integer number (1996711224).

Almost surely, 2^7321274477 is an apocalyptic number.

It is an amenable number.

7321274477 is a deficient number, since it is larger than the sum of its proper divisors (665570419).

7321274477 is a wasteful number, since it uses less digits than its factorization.

7321274477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665570418.

The product of its digits is 460992, while the sum is 44.

The square root of 7321274477 is about 85564.4463372492. The cubic root of 7321274477 is about 1941.7600561842.

The spelling of 7321274477 in words is "seven billion, three hundred twenty-one million, two hundred seventy-four thousand, four hundred seventy-seven".