7320656377 has 4 divisors (see below), whose sum is σ = 7321067136. Its totient is φ = 7320245620.

The previous prime is 7320656353. The next prime is 7320656393. The reversal of 7320656377 is 7736560237.

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 7320656377 - 2¹⁹ = 7320132089 is a prime.

It is a super-2 number, since 2×7320656377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7320656347) 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, 177373 + ... + 214714.

It is an arithmetic number, because the mean of its divisors is an integer number (1830266784).

Almost surely, 2^7320656377 is an apocalyptic number.

It is an amenable number.

7320656377 is a deficient number, since it is larger than the sum of its proper divisors (410759).

7320656377 is a wasteful number, since it uses less digits than its factorization.

7320656377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410758.

The product of its (nonzero) digits is 1111320, while the sum is 46.

The square root of 7320656377 is about 85560.8343636269. The cubic root of 7320656377 is about 1941.7054101581.

The spelling of 7320656377 in words is "seven billion, three hundred twenty million, six hundred fifty-six thousand, three hundred seventy-seven".