7277201245 has 4 divisors (see below), whose sum is σ = 8732641500. Its totient is φ = 5821760992.

The previous prime is 7277201227. The next prime is 7277201249. The reversal of 7277201245 is 5421027727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5421027727 = 61 ⋅88869307.

It can be written as a sum of positive squares in 2 ways, for example, as 1057355289 + 6219845956 = 32517^2 + 78866^2 .

It is a cyclic number.

It is not a de Polignac number, because 7277201245 - 2⁵ = 7277201213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7277201249) 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, 727720120 + ... + 727720129.

It is an arithmetic number, because the mean of its divisors is an integer number (2183160375).

Almost surely, 2^7277201245 is an apocalyptic number.

It is an amenable number.

7277201245 is a deficient number, since it is larger than the sum of its proper divisors (1455440255).

7277201245 is a wasteful number, since it uses less digits than its factorization.

7277201245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455440254.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 7277201245 is about 85306.5134969189. The cubic root of 7277201245 is about 1937.8558204355.

The spelling of 7277201245 in words is "seven billion, two hundred seventy-seven million, two hundred one thousand, two hundred forty-five".