7378722346 has 16 divisors (see below), whose sum is σ = 11139654600. Its totient is φ = 3665553408.

The previous prime is 7378722301. The next prime is 7378722349. The reversal of 7378722346 is 6432278737.

It can be written as a sum of positive squares in 4 ways, for example, as 4712136025 + 2666586321 = 68645^2 + 51639^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7378722346.

It is not an unprimeable number, because it can be changed into a prime (7378722349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300460 + ... + 324088.

Almost surely, 2^7378722346 is an apocalyptic number.

7378722346 is a deficient number, since it is larger than the sum of its proper divisors (3760932254).

7378722346 is a wasteful number, since it uses less digits than its factorization.

7378722346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24633.

The product of its digits is 2370816, while the sum is 49.

The square root of 7378722346 is about 85899.4897889388. The cubic root of 7378722346 is about 1946.8256348817.

The spelling of 7378722346 in words is "seven billion, three hundred seventy-eight million, seven hundred twenty-two thousand, three hundred forty-six".