7321477973 has 4 divisors (see below), whose sum is σ = 7445570880. Its totient is φ = 7197385068.

The previous prime is 7321477957. The next prime is 7321478029. The reversal of 7321477973 is 3797741237.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3797741237 = 601 ⋅6319037.

It is a cyclic number.

It is not a de Polignac number, because 7321477973 - 2⁴ = 7321477957 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 (7321477673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62046365 + ... + 62046482.

It is an arithmetic number, because the mean of its divisors is an integer number (1861392720).

Almost surely, 2^7321477973 is an apocalyptic number.

It is an amenable number.

7321477973 is a deficient number, since it is larger than the sum of its proper divisors (124092907).

7321477973 is a wasteful number, since it uses less digits than its factorization.

7321477973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124092906.

The product of its digits is 1555848, while the sum is 50.

The square root of 7321477973 is about 85565.6354677507. The cubic root of 7321477973 is about 1941.7780465284.

The spelling of 7321477973 in words is "seven billion, three hundred twenty-one million, four hundred seventy-seven thousand, nine hundred seventy-three".