7225378673 has 4 divisors (see below), whose sum is σ = 7225740528. Its totient is φ = 7225016820.

The previous prime is 7225378669. The next prime is 7225378679. The reversal of 7225378673 is 3768735227.

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: 3768735227 = 1163 ⋅3240529.

It is a cyclic number.

It is not a de Polignac number, because 7225378673 - 2² = 7225378669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7225378679) 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, 149111 + ... + 191532.

It is an arithmetic number, because the mean of its divisors is an integer number (1806435132).

Almost surely, 2^7225378673 is an apocalyptic number.

It is an amenable number.

7225378673 is a deficient number, since it is larger than the sum of its proper divisors (361855).

7225378673 is a wasteful number, since it uses less digits than its factorization.

7225378673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361854.

The product of its digits is 2963520, while the sum is 50.

The square root of 7225378673 is about 85002.2274590496. The cubic root of 7225378673 is about 1933.2448901640.

The spelling of 7225378673 in words is "seven billion, two hundred twenty-five million, three hundred seventy-eight thousand, six hundred seventy-three".